<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:b62296ae-2282-434f-a579-04dc2c6ad94d,g:2436bff0-e85e-4f93-981d-49672b8957d5-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/CondensedConsolidatedStatementsofIncomeUnaudited" xlink:type="simple" xlink:href="hwkn-20250330.xsd#CondensedConsolidatedStatementsofIncomeUnaudited"/>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/CondensedConsolidatedStatementsofIncomeUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_ebf89983-b49f-45a2-ad72-4aba9ececf2b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_f22ff611-580e-4aee-80b0-6fb75aa5e777" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_ebf89983-b49f-45a2-ad72-4aba9ececf2b" xlink:to="loc_us-gaap_StatementTable_f22ff611-580e-4aee-80b0-6fb75aa5e777" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementScenarioAxis_5f76795e-69e8-43fe-97f8-8c872c0af0d6" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_StatementScenarioAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_f22ff611-580e-4aee-80b0-6fb75aa5e777" xlink:to="loc_srt_StatementScenarioAxis_5f76795e-69e8-43fe-97f8-8c872c0af0d6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_5f76795e-69e8-43fe-97f8-8c872c0af0d6_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementScenarioAxis_5f76795e-69e8-43fe-97f8-8c872c0af0d6" xlink:to="loc_srt_ScenarioUnspecifiedDomain_5f76795e-69e8-43fe-97f8-8c872c0af0d6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_99178fc7-f2da-484f-9249-9601ac30eef6" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementScenarioAxis_5f76795e-69e8-43fe-97f8-8c872c0af0d6" xlink:to="loc_srt_ScenarioUnspecifiedDomain_99178fc7-f2da-484f-9249-9601ac30eef6" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/ConsolidatedStatementsofShareholdersEquityandComprehensiveIncomeLossStatement" xlink:type="simple" xlink:href="hwkn-20250330.xsd#ConsolidatedStatementsofShareholdersEquityandComprehensiveIncomeLossStatement"/>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/ConsolidatedStatementsofShareholdersEquityandComprehensiveIncomeLossStatement" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_288c1e7d-98f5-4629-bbe0-a87e2ba3857f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_5e16d4e5-92af-4f98-80f7-72a2518fc24d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_288c1e7d-98f5-4629-bbe0-a87e2ba3857f" xlink:to="loc_us-gaap_StatementTable_5e16d4e5-92af-4f98-80f7-72a2518fc24d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_4bdc8805-1d2d-438b-997a-373ccace7bc5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_5e16d4e5-92af-4f98-80f7-72a2518fc24d" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_4bdc8805-1d2d-438b-997a-373ccace7bc5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_4bdc8805-1d2d-438b-997a-373ccace7bc5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_4bdc8805-1d2d-438b-997a-373ccace7bc5" xlink:to="loc_us-gaap_EquityComponentDomain_4bdc8805-1d2d-438b-997a-373ccace7bc5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_f1a81726-e379-4835-9653-6f5ddfc1948f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_4bdc8805-1d2d-438b-997a-373ccace7bc5" xlink:to="loc_us-gaap_EquityComponentDomain_f1a81726-e379-4835-9653-6f5ddfc1948f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_1e7dbb61-45e3-4da0-9425-fe26f1d0b6a1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_f1a81726-e379-4835-9653-6f5ddfc1948f" xlink:to="loc_us-gaap_CommonStockMember_1e7dbb61-45e3-4da0-9425-fe26f1d0b6a1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_494bddf3-4702-46d9-93a4-996487e80d44" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_f1a81726-e379-4835-9653-6f5ddfc1948f" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_494bddf3-4702-46d9-93a4-996487e80d44" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_11e24223-09ce-4910-a7a5-ded6697dc69e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_f1a81726-e379-4835-9653-6f5ddfc1948f" xlink:to="loc_us-gaap_RetainedEarningsMember_11e24223-09ce-4910-a7a5-ded6697dc69e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_e33f6c01-7638-4f8f-990c-c73e6d9c155d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_f1a81726-e379-4835-9653-6f5ddfc1948f" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_e33f6c01-7638-4f8f-990c-c73e6d9c155d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58ef9e37-7898-43b3-8bd1-63ca8d24ea74" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_288c1e7d-98f5-4629-bbe0-a87e2ba3857f" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58ef9e37-7898-43b3-8bd1-63ca8d24ea74" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesIssued_0742f1f6-4397-48a2-aa68-7ecff22a6db4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58ef9e37-7898-43b3-8bd1-63ca8d24ea74" xlink:to="loc_us-gaap_SharesIssued_0742f1f6-4397-48a2-aa68-7ecff22a6db4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_5419490d-c8e8-4cb1-b2e8-86ce05781cb9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58ef9e37-7898-43b3-8bd1-63ca8d24ea74" xlink:to="loc_us-gaap_StockholdersEquity_5419490d-c8e8-4cb1-b2e8-86ce05781cb9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsCommonStockCash_aea8c640-9f70-4665-84d0-a3c47b493e0d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DividendsCommonStockCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58ef9e37-7898-43b3-8bd1-63ca8d24ea74" xlink:to="loc_us-gaap_DividendsCommonStockCash_aea8c640-9f70-4665-84d0-a3c47b493e0d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_f92db3f2-3d0a-40b4-b6f8-7c4a237158f3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58ef9e37-7898-43b3-8bd1-63ca8d24ea74" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_f92db3f2-3d0a-40b4-b6f8-7c4a237158f3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_8c802907-fd16-4c75-8a13-f322a774d545" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58ef9e37-7898-43b3-8bd1-63ca8d24ea74" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_8c802907-fd16-4c75-8a13-f322a774d545" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross_296ae336-5863-4a94-800d-1c086dda1827" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58ef9e37-7898-43b3-8bd1-63ca8d24ea74" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross_296ae336-5863-4a94-800d-1c086dda1827" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_SharesSurrenderedDuringPeriodForPayrollTaxesShares_56eabae6-315c-450b-ab33-f0a1da658143" xlink:href="hwkn-20250330.xsd#hwkn_SharesSurrenderedDuringPeriodForPayrollTaxesShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58ef9e37-7898-43b3-8bd1-63ca8d24ea74" xlink:to="loc_hwkn_SharesSurrenderedDuringPeriodForPayrollTaxesShares_56eabae6-315c-450b-ab33-f0a1da658143" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_SharesSurrenderedDuringPeriodForPayrollTaxesValue_80111506-f21f-44da-8135-27bb9b83192a" xlink:href="hwkn-20250330.xsd#hwkn_SharesSurrenderedDuringPeriodForPayrollTaxesValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58ef9e37-7898-43b3-8bd1-63ca8d24ea74" xlink:to="loc_hwkn_SharesSurrenderedDuringPeriodForPayrollTaxesValue_80111506-f21f-44da-8135-27bb9b83192a" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_0be41e93-a1c1-4135-b658-fc9c3a3d4416" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58ef9e37-7898-43b3-8bd1-63ca8d24ea74" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_0be41e93-a1c1-4135-b658-fc9c3a3d4416" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_32c0d7cf-e1ff-4d1f-9911-9457975362f2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58ef9e37-7898-43b3-8bd1-63ca8d24ea74" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_32c0d7cf-e1ff-4d1f-9911-9457975362f2" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_22dc283c-3658-49e6-bc32-51a228965ae9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58ef9e37-7898-43b3-8bd1-63ca8d24ea74" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_22dc283c-3658-49e6-bc32-51a228965ae9" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfEquity_9803b0ba-525e-4e86-8d7a-ba106d86a6c4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForRepurchaseOfEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58ef9e37-7898-43b3-8bd1-63ca8d24ea74" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfEquity_9803b0ba-525e-4e86-8d7a-ba106d86a6c4" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_05940f5d-1f30-49cd-a00f-c0a87b2fddfc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58ef9e37-7898-43b3-8bd1-63ca8d24ea74" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_05940f5d-1f30-49cd-a00f-c0a87b2fddfc" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_6054f46e-b31c-49d4-ba0f-dafbf6863f77" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_58ef9e37-7898-43b3-8bd1-63ca8d24ea74" xlink:to="loc_us-gaap_NetIncomeLoss_6054f46e-b31c-49d4-ba0f-dafbf6863f77" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesIssued_fdd6d1d0-a2ae-4cfe-91ed-52db51143551" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SharesIssued"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_b0109ea4-00ed-44c4-81ba-68e66a17afc9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/ShareBasedCompensationTables" xlink:type="simple" xlink:href="hwkn-20250330.xsd#ShareBasedCompensationTables"/>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/ShareBasedCompensationTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_fc91e41d-1227-4f64-88a9-6aeb875a3ea7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_1c8351ed-1bdb-4fa9-b99a-19c4184f7028" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_fc91e41d-1227-4f64-88a9-6aeb875a3ea7" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_1c8351ed-1bdb-4fa9-b99a-19c4184f7028" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_272cf572-3e01-48a0-8056-f7849cadf8e6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_1c8351ed-1bdb-4fa9-b99a-19c4184f7028" xlink:to="loc_us-gaap_AwardTypeAxis_272cf572-3e01-48a0-8056-f7849cadf8e6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_272cf572-3e01-48a0-8056-f7849cadf8e6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_272cf572-3e01-48a0-8056-f7849cadf8e6" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_272cf572-3e01-48a0-8056-f7849cadf8e6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_dd1ad5b4-63a3-471f-b200-bae796b833e7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_272cf572-3e01-48a0-8056-f7849cadf8e6" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_dd1ad5b4-63a3-471f-b200-bae796b833e7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember_82eb1aff-3f97-4dae-824b-97294463e919" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PerformanceSharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_dd1ad5b4-63a3-471f-b200-bae796b833e7" xlink:to="loc_us-gaap_PerformanceSharesMember_82eb1aff-3f97-4dae-824b-97294463e919" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockMember_325ca25d-e1fc-4167-a38d-7b080a59dda0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestrictedStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_dd1ad5b4-63a3-471f-b200-bae796b833e7" xlink:to="loc_us-gaap_RestrictedStockMember_325ca25d-e1fc-4167-a38d-7b080a59dda0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_36f3fa18-da6e-4892-bc50-88994058859f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_fc91e41d-1227-4f64-88a9-6aeb875a3ea7" xlink:to="loc_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_36f3fa18-da6e-4892-bc50-88994058859f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationNonemployeeDirectorStockAwardPlanActivityTableTextBlock_c9141c83-ecd3-47bf-9fad-059a8fa1b5bb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfShareBasedCompensationNonemployeeDirectorStockAwardPlanActivityTableTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_fc91e41d-1227-4f64-88a9-6aeb875a3ea7" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationNonemployeeDirectorStockAwardPlanActivityTableTextBlock_c9141c83-ecd3-47bf-9fad-059a8fa1b5bb" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/NatureofBusinessandSignificantAccountingPoliciesTextualDetails" xlink:type="simple" xlink:href="hwkn-20250330.xsd#NatureofBusinessandSignificantAccountingPoliciesTextualDetails"/>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/NatureofBusinessandSignificantAccountingPoliciesTextualDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductInformationLineItems_0c0970f8-775d-474a-85d9-f8089724fc03" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProductInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfProductInformationTable_a9b07fdb-7c69-494d-b56d-954fdec81afd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfProductInformationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ProductInformationLineItems_0c0970f8-775d-474a-85d9-f8089724fc03" xlink:to="loc_us-gaap_ScheduleOfProductInformationTable_a9b07fdb-7c69-494d-b56d-954fdec81afd" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_ac7cc76f-044a-4487-8255-a7f4d7a3ddb7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfProductInformationTable_a9b07fdb-7c69-494d-b56d-954fdec81afd" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_ac7cc76f-044a-4487-8255-a7f4d7a3ddb7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_ac7cc76f-044a-4487-8255-a7f4d7a3ddb7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_ac7cc76f-044a-4487-8255-a7f4d7a3ddb7" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_ac7cc76f-044a-4487-8255-a7f4d7a3ddb7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_396dc41f-756e-4914-a0ce-1dc26078ce9c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_ac7cc76f-044a-4487-8255-a7f4d7a3ddb7" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_396dc41f-756e-4914-a0ce-1dc26078ce9c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerConcentrationRiskMember_f1556904-b73b-4de1-a074-4b42dd43fa01" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CustomerConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_396dc41f-756e-4914-a0ce-1dc26078ce9c" xlink:to="loc_us-gaap_CustomerConcentrationRiskMember_f1556904-b73b-4de1-a074-4b42dd43fa01" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_cfd1a636-0e1e-4c07-a004-0481b29f7c21" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfProductInformationTable_a9b07fdb-7c69-494d-b56d-954fdec81afd" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_cfd1a636-0e1e-4c07-a004-0481b29f7c21" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_cfd1a636-0e1e-4c07-a004-0481b29f7c21_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_cfd1a636-0e1e-4c07-a004-0481b29f7c21" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_cfd1a636-0e1e-4c07-a004-0481b29f7c21_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_75e28af3-db46-44dd-a624-8c23b7f268ed" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_cfd1a636-0e1e-4c07-a004-0481b29f7c21" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_75e28af3-db46-44dd-a624-8c23b7f268ed" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableMember_e1764f6b-f886-4a98-88d6-9564d581db86" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_75e28af3-db46-44dd-a624-8c23b7f268ed" xlink:to="loc_us-gaap_AccountsReceivableMember_e1764f6b-f886-4a98-88d6-9564d581db86" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_4bfca750-173b-4f88-b7a1-136d37336545" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfProductInformationTable_a9b07fdb-7c69-494d-b56d-954fdec81afd" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_4bfca750-173b-4f88-b7a1-136d37336545" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_4bfca750-173b-4f88-b7a1-136d37336545_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_4bfca750-173b-4f88-b7a1-136d37336545" xlink:to="loc_us-gaap_ReceivableTypeDomain_4bfca750-173b-4f88-b7a1-136d37336545_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_3ae27a45-5d43-44d3-b3cf-f48227f8c1c8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_4bfca750-173b-4f88-b7a1-136d37336545" xlink:to="loc_us-gaap_ReceivableTypeDomain_3ae27a45-5d43-44d3-b3cf-f48227f8c1c8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeAccountsReceivableMember_f12e1909-61a3-4c8a-81c5-238a04dc0d69" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TradeAccountsReceivableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_3ae27a45-5d43-44d3-b3cf-f48227f8c1c8" xlink:to="loc_us-gaap_TradeAccountsReceivableMember_f12e1909-61a3-4c8a-81c5-238a04dc0d69" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_1f35c6ab-9262-43bf-864e-8e9527c177a1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductInformationLineItems_0c0970f8-775d-474a-85d9-f8089724fc03" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_1f35c6ab-9262-43bf-864e-8e9527c177a1" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/NatureofBusinessandSignificantAccountingPoliciesPPEDetails" xlink:type="simple" xlink:href="hwkn-20250330.xsd#NatureofBusinessandSignificantAccountingPoliciesPPEDetails"/>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/NatureofBusinessandSignificantAccountingPoliciesPPEDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_80659f98-f1c5-4529-ba43-d62decd06f9a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_a3bf7d58-6f1e-4c6b-881c-e01aa035a413" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_80659f98-f1c5-4529-ba43-d62decd06f9a" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_a3bf7d58-6f1e-4c6b-881c-e01aa035a413" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_2922c1cd-1269-4fef-afa0-435fecd2f518" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_a3bf7d58-6f1e-4c6b-881c-e01aa035a413" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_2922c1cd-1269-4fef-afa0-435fecd2f518" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_2922c1cd-1269-4fef-afa0-435fecd2f518_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_2922c1cd-1269-4fef-afa0-435fecd2f518" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_2922c1cd-1269-4fef-afa0-435fecd2f518_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_a7dcfe94-711c-40af-af43-6925ee098a6a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_2922c1cd-1269-4fef-afa0-435fecd2f518" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_a7dcfe94-711c-40af-af43-6925ee098a6a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BuildingAndBuildingImprovementsMember_258afaf7-ce26-4893-98e0-7453b0bf14e4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BuildingAndBuildingImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_a7dcfe94-711c-40af-af43-6925ee098a6a" xlink:to="loc_us-gaap_BuildingAndBuildingImprovementsMember_258afaf7-ce26-4893-98e0-7453b0bf14e4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MachineryAndEquipmentMember_4b6806a5-7261-45b5-a813-93a67b470aab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MachineryAndEquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_a7dcfe94-711c-40af-af43-6925ee098a6a" xlink:to="loc_us-gaap_MachineryAndEquipmentMember_4b6806a5-7261-45b5-a813-93a67b470aab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransportationEquipmentMember_eb47777d-ab75-4f08-9a51-d613516fceaa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TransportationEquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_a7dcfe94-711c-40af-af43-6925ee098a6a" xlink:to="loc_us-gaap_TransportationEquipmentMember_eb47777d-ab75-4f08-9a51-d613516fceaa" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OfficeEquipmentMember_920e40db-0ede-41d3-add4-f13672a210d8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OfficeEquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_a7dcfe94-711c-40af-af43-6925ee098a6a" xlink:to="loc_us-gaap_OfficeEquipmentMember_920e40db-0ede-41d3-add4-f13672a210d8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_771928bc-f0a2-4931-aaa3-3638fd9fc458" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_a3bf7d58-6f1e-4c6b-881c-e01aa035a413" xlink:to="loc_srt_RangeAxis_771928bc-f0a2-4931-aaa3-3638fd9fc458" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_771928bc-f0a2-4931-aaa3-3638fd9fc458_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_771928bc-f0a2-4931-aaa3-3638fd9fc458" xlink:to="loc_srt_RangeMember_771928bc-f0a2-4931-aaa3-3638fd9fc458_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_f19821c7-406e-4c10-b189-f0f88ec3a03c" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_771928bc-f0a2-4931-aaa3-3638fd9fc458" xlink:to="loc_srt_RangeMember_f19821c7-406e-4c10-b189-f0f88ec3a03c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_49e03bf2-b37d-4b26-ab6d-027fe5304c9e" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_f19821c7-406e-4c10-b189-f0f88ec3a03c" xlink:to="loc_srt_MinimumMember_49e03bf2-b37d-4b26-ab6d-027fe5304c9e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_fab960b6-9547-4f0a-97d9-259e11d7d3d2" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_f19821c7-406e-4c10-b189-f0f88ec3a03c" xlink:to="loc_srt_MaximumMember_fab960b6-9547-4f0a-97d9-259e11d7d3d2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_WeightedAverageMember_3242bffe-135c-42ce-87e2-77fc93546404" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_WeightedAverageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_f19821c7-406e-4c10-b189-f0f88ec3a03c" xlink:to="loc_srt_WeightedAverageMember_3242bffe-135c-42ce-87e2-77fc93546404" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_a9665e6f-add8-48d7-a8f5-9bbb4e877ea0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_80659f98-f1c5-4529-ba43-d62decd06f9a" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_a9665e6f-add8-48d7-a8f5-9bbb4e877ea0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_6f89ac35-cbbb-4cc3-8ac0-f912f52371f5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Depreciation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_80659f98-f1c5-4529-ba43-d62decd06f9a" xlink:to="loc_us-gaap_Depreciation_6f89ac35-cbbb-4cc3-8ac0-f912f52371f5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_bf2aa8e2-2aed-4732-9c03-4e06043dbec6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_80659f98-f1c5-4529-ba43-d62decd06f9a" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_bf2aa8e2-2aed-4732-9c03-4e06043dbec6" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/BusinessCombinationsandAssetAcquisitionsDetails" xlink:type="simple" xlink:href="hwkn-20250330.xsd#BusinessCombinationsandAssetAcquisitionsDetails"/>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/BusinessCombinationsandAssetAcquisitionsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionLineItems_cd098210-dee7-491e-8730-d105540f6edf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionTable_aaaf21bc-b863-4bad-a42a-89484852eac1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_cd098210-dee7-491e-8730-d105540f6edf" xlink:to="loc_us-gaap_AssetAcquisitionTable_aaaf21bc-b863-4bad-a42a-89484852eac1" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_1db6caed-6ba7-4862-a103-740bab458ca6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_aaaf21bc-b863-4bad-a42a-89484852eac1" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_1db6caed-6ba7-4862-a103-740bab458ca6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_1db6caed-6ba7-4862-a103-740bab458ca6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_1db6caed-6ba7-4862-a103-740bab458ca6" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_1db6caed-6ba7-4862-a103-740bab458ca6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_746c868f-0f6d-4898-b31a-a8884c80dba1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_1db6caed-6ba7-4862-a103-740bab458ca6" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_746c868f-0f6d-4898-b31a-a8884c80dba1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_AmerochemCorporationMember_6d7066f7-77df-4e36-8897-66522c05b2e8" xlink:href="hwkn-20250330.xsd#hwkn_AmerochemCorporationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_746c868f-0f6d-4898-b31a-a8884c80dba1" xlink:to="loc_hwkn_AmerochemCorporationMember_6d7066f7-77df-4e36-8897-66522c05b2e8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_WaterguardInc.Member_1d4bd0a6-e855-41b0-94b5-eba8ee987c5a" xlink:href="hwkn-20250330.xsd#hwkn_WaterguardInc.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_746c868f-0f6d-4898-b31a-a8884c80dba1" xlink:to="loc_hwkn_WaterguardInc.Member_1d4bd0a6-e855-41b0-94b5-eba8ee987c5a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_WoffordWaterServiceInc.Member_a268b304-f870-40ff-a67e-09045775c7f8" xlink:href="hwkn-20250330.xsd#hwkn_WoffordWaterServiceInc.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_746c868f-0f6d-4898-b31a-a8884c80dba1" xlink:to="loc_hwkn_WoffordWaterServiceInc.Member_a268b304-f870-40ff-a67e-09045775c7f8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_IntercoastalTradingInc.Member_a53db3d1-2431-44e2-bf2c-eff45b5fff6e" xlink:href="hwkn-20250330.xsd#hwkn_IntercoastalTradingInc.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_746c868f-0f6d-4898-b31a-a8884c80dba1" xlink:to="loc_hwkn_IntercoastalTradingInc.Member_a53db3d1-2431-44e2-bf2c-eff45b5fff6e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_IndustrialResearchCorporationMember_bb036f28-e347-4685-ba46-d19320bbb786" xlink:href="hwkn-20250330.xsd#hwkn_IndustrialResearchCorporationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_746c868f-0f6d-4898-b31a-a8884c80dba1" xlink:to="loc_hwkn_IndustrialResearchCorporationMember_bb036f28-e347-4685-ba46-d19320bbb786" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_TheMiamiProductsChemicalCompanyMember_a65d6116-a482-4b91-9740-34ed2d0b7a49" xlink:href="hwkn-20250330.xsd#hwkn_TheMiamiProductsChemicalCompanyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_746c868f-0f6d-4898-b31a-a8884c80dba1" xlink:to="loc_hwkn_TheMiamiProductsChemicalCompanyMember_a65d6116-a482-4b91-9740-34ed2d0b7a49" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_WaterSolutionsUnlimitedInc.Member_130dae76-8d67-4592-8fcd-896fc637feb8" xlink:href="hwkn-20250330.xsd#hwkn_WaterSolutionsUnlimitedInc.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_746c868f-0f6d-4898-b31a-a8884c80dba1" xlink:to="loc_hwkn_WaterSolutionsUnlimitedInc.Member_130dae76-8d67-4592-8fcd-896fc637feb8" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_EcoTechEnterprisesInc.Member_28d270dc-b35e-413c-a3b6-15fbd0762495" xlink:href="hwkn-20250330.xsd#hwkn_EcoTechEnterprisesInc.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_746c868f-0f6d-4898-b31a-a8884c80dba1" xlink:to="loc_hwkn_EcoTechEnterprisesInc.Member_28d270dc-b35e-413c-a3b6-15fbd0762495" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_979469f2-ff6d-4173-a004-8e8662d41f22" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_aaaf21bc-b863-4bad-a42a-89484852eac1" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_979469f2-ff6d-4173-a004-8e8662d41f22" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_979469f2-ff6d-4173-a004-8e8662d41f22_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_979469f2-ff6d-4173-a004-8e8662d41f22" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_979469f2-ff6d-4173-a004-8e8662d41f22_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_7f1dba1a-cf75-4a7c-b564-6d899dfab4ee" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_979469f2-ff6d-4173-a004-8e8662d41f22" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_7f1dba1a-cf75-4a7c-b564-6d899dfab4ee" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerListsMember_fe4f86b0-448a-498d-b647-e799a600054a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CustomerListsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_7f1dba1a-cf75-4a7c-b564-6d899dfab4ee" xlink:to="loc_us-gaap_CustomerListsMember_fe4f86b0-448a-498d-b647-e799a600054a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeNamesMember_5d93ae6f-a04a-44a6-acc3-02329a2471e5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TradeNamesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_7f1dba1a-cf75-4a7c-b564-6d899dfab4ee" xlink:to="loc_us-gaap_TradeNamesMember_5d93ae6f-a04a-44a6-acc3-02329a2471e5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncompeteAgreementsMember_d56e374d-c01c-4343-b3ae-15f9983909e7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NoncompeteAgreementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_7f1dba1a-cf75-4a7c-b564-6d899dfab4ee" xlink:to="loc_us-gaap_NoncompeteAgreementsMember_d56e374d-c01c-4343-b3ae-15f9983909e7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_91447fe7-ea9f-43df-b0e4-254b89993e9a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireBusinessesGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_cd098210-dee7-491e-8730-d105540f6edf" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_91447fe7-ea9f-43df-b0e4-254b89993e9a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_33113064-5a61-4736-bfc8-077d8b63bc9d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_cd098210-dee7-491e-8730-d105540f6edf" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_33113064-5a61-4736-bfc8-077d8b63bc9d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAcquiredDuringPeriod_addd5519-feb7-4051-a887-77267a75ea63" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GoodwillAcquiredDuringPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_cd098210-dee7-491e-8730-d105540f6edf" xlink:to="loc_us-gaap_GoodwillAcquiredDuringPeriod_addd5519-feb7-4051-a887-77267a75ea63" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipmentAbstract_0fd385ed-03db-4247-a71e-09b6fe062417" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipmentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_cd098210-dee7-491e-8730-d105540f6edf" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipmentAbstract_0fd385ed-03db-4247-a71e-09b6fe062417" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_c8d57356-021b-44ba-800e-75ae5196af9d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_cd098210-dee7-491e-8730-d105540f6edf" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_c8d57356-021b-44ba-800e-75ae5196af9d" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/RevenueDetails" xlink:type="simple" xlink:href="hwkn-20250330.xsd#RevenueDetails"/>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/RevenueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_92b7c96e-186e-41d6-a087-0db2cb6fc531" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_79cfbd24-4d7b-48a5-b0b2-f94d4a02bc53" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_92b7c96e-186e-41d6-a087-0db2cb6fc531" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_79cfbd24-4d7b-48a5-b0b2-f94d4a02bc53" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_8cbc2176-cd67-4191-8a27-ebfcaefe0c3e" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_79cfbd24-4d7b-48a5-b0b2-f94d4a02bc53" xlink:to="loc_srt_ProductOrServiceAxis_8cbc2176-cd67-4191-8a27-ebfcaefe0c3e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_8cbc2176-cd67-4191-8a27-ebfcaefe0c3e_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_8cbc2176-cd67-4191-8a27-ebfcaefe0c3e" xlink:to="loc_srt_ProductsAndServicesDomain_8cbc2176-cd67-4191-8a27-ebfcaefe0c3e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_cef06829-a432-4172-b182-9a6c11e39658" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_8cbc2176-cd67-4191-8a27-ebfcaefe0c3e" xlink:to="loc_srt_ProductsAndServicesDomain_cef06829-a432-4172-b182-9a6c11e39658" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_ManufacturedblendedorrepackagedproductsMember_019f0261-9e32-41ff-9a7f-a4c41301c101" xlink:href="hwkn-20250330.xsd#hwkn_ManufacturedblendedorrepackagedproductsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_cef06829-a432-4172-b182-9a6c11e39658" xlink:to="loc_hwkn_ManufacturedblendedorrepackagedproductsMember_019f0261-9e32-41ff-9a7f-a4c41301c101" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_DistributedSpecialtyProductsMember_b5f507db-1370-4347-8360-6ca1601c9518" xlink:href="hwkn-20250330.xsd#hwkn_DistributedSpecialtyProductsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_cef06829-a432-4172-b182-9a6c11e39658" xlink:to="loc_hwkn_DistributedSpecialtyProductsMember_b5f507db-1370-4347-8360-6ca1601c9518" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_BulkMember_37036356-4b56-4c03-b904-9011453b6bc8" xlink:href="hwkn-20250330.xsd#hwkn_BulkMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_cef06829-a432-4172-b182-9a6c11e39658" xlink:to="loc_hwkn_BulkMember_37036356-4b56-4c03-b904-9011453b6bc8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_OtherMember_422cadc9-e590-45c9-b24f-52bbd33ba25e" xlink:href="hwkn-20250330.xsd#hwkn_OtherMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_cef06829-a432-4172-b182-9a6c11e39658" xlink:to="loc_hwkn_OtherMember_422cadc9-e590-45c9-b24f-52bbd33ba25e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_e20d4d3d-2577-43f9-9ed9-c2437fc42105" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_79cfbd24-4d7b-48a5-b0b2-f94d4a02bc53" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_e20d4d3d-2577-43f9-9ed9-c2437fc42105" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_e20d4d3d-2577-43f9-9ed9-c2437fc42105_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_e20d4d3d-2577-43f9-9ed9-c2437fc42105" xlink:to="loc_us-gaap_SegmentDomain_e20d4d3d-2577-43f9-9ed9-c2437fc42105_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_f2b1ec10-1c70-4911-8d03-c76346d450f1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_e20d4d3d-2577-43f9-9ed9-c2437fc42105" xlink:to="loc_us-gaap_SegmentDomain_f2b1ec10-1c70-4911-8d03-c76346d450f1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_WaterTreatmentMember_b15a55ff-816f-4167-86f3-f7962a191099" xlink:href="hwkn-20250330.xsd#hwkn_WaterTreatmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_f2b1ec10-1c70-4911-8d03-c76346d450f1" xlink:to="loc_hwkn_WaterTreatmentMember_b15a55ff-816f-4167-86f3-f7962a191099" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_IndustrialMember_ac056ce9-bd8d-49a7-a1b6-6647eb73a38f" xlink:href="hwkn-20250330.xsd#hwkn_IndustrialMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_f2b1ec10-1c70-4911-8d03-c76346d450f1" xlink:to="loc_hwkn_IndustrialMember_ac056ce9-bd8d-49a7-a1b6-6647eb73a38f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_HealthandNutritionMember_308a1cd2-d44d-4d8c-8bfe-0dd5cc6436d4" xlink:href="hwkn-20250330.xsd#hwkn_HealthandNutritionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_f2b1ec10-1c70-4911-8d03-c76346d450f1" xlink:to="loc_hwkn_HealthandNutritionMember_308a1cd2-d44d-4d8c-8bfe-0dd5cc6436d4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_42d7b1e9-511a-4f72-865e-8293de9d636f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_92b7c96e-186e-41d6-a087-0db2cb6fc531" xlink:to="loc_us-gaap_Revenues_42d7b1e9-511a-4f72-865e-8293de9d636f" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/FairValueMeasurementsDetails" xlink:type="simple" xlink:href="hwkn-20250330.xsd#FairValueMeasurementsDetails"/>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/FairValueMeasurementsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_dae63291-41c5-431a-9e0c-ca7c327bb9ec" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_31449396-5f31-43fb-8004-3430f385a4a6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_dae63291-41c5-431a-9e0c-ca7c327bb9ec" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_31449396-5f31-43fb-8004-3430f385a4a6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_0f3b173e-2772-4a9f-9c8f-e4aede21043b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_31449396-5f31-43fb-8004-3430f385a4a6" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_0f3b173e-2772-4a9f-9c8f-e4aede21043b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_0f3b173e-2772-4a9f-9c8f-e4aede21043b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_0f3b173e-2772-4a9f-9c8f-e4aede21043b" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_0f3b173e-2772-4a9f-9c8f-e4aede21043b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_84b313c7-d373-417e-83c2-b2bf8c44f612" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_0f3b173e-2772-4a9f-9c8f-e4aede21043b" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_84b313c7-d373-417e-83c2-b2bf8c44f612" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_f5d9175f-ee12-4255-b66b-2593ccb5f8e7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_84b313c7-d373-417e-83c2-b2bf8c44f612" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_f5d9175f-ee12-4255-b66b-2593ccb5f8e7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_608810c3-851f-410d-a269-4445021fbcd7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_84b313c7-d373-417e-83c2-b2bf8c44f612" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_608810c3-851f-410d-a269-4445021fbcd7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_432831ef-1ae4-45f3-9cf4-9882bb16c0f3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_84b313c7-d373-417e-83c2-b2bf8c44f612" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_432831ef-1ae4-45f3-9cf4-9882bb16c0f3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationPlanAssets_aa8d33bf-f66e-4e8a-9c3c-f98c6ff1357e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredCompensationPlanAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_dae63291-41c5-431a-9e0c-ca7c327bb9ec" xlink:to="loc_us-gaap_DeferredCompensationPlanAssets_aa8d33bf-f66e-4e8a-9c3c-f98c6ff1357e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowHedgeDerivativeInstrumentAssetsAtFairValue_9f67a7a1-f142-4c44-8411-f85394f99db2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashFlowHedgeDerivativeInstrumentAssetsAtFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_dae63291-41c5-431a-9e0c-ca7c327bb9ec" xlink:to="loc_us-gaap_CashFlowHedgeDerivativeInstrumentAssetsAtFairValue_9f67a7a1-f142-4c44-8411-f85394f99db2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionContingentConsiderationLiability_b1c594d3-0c69-4ab6-be75-65ed552f3879" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetAcquisitionContingentConsiderationLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_dae63291-41c5-431a-9e0c-ca7c327bb9ec" xlink:to="loc_us-gaap_AssetAcquisitionContingentConsiderationLiability_b1c594d3-0c69-4ab6-be75-65ed552f3879" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_cb1edb58-0699-4d4c-8dc6-41af1f02f260" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_dae63291-41c5-431a-9e0c-ca7c327bb9ec" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_cb1edb58-0699-4d4c-8dc6-41af1f02f260" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_d5c5d10e-810a-4153-91f3-0d10015a0e92" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_dae63291-41c5-431a-9e0c-ca7c327bb9ec" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_d5c5d10e-810a-4153-91f3-0d10015a0e92" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/GoodwillandIntangibleAssetsGoodwillRollforwardDetails" xlink:type="simple" xlink:href="hwkn-20250330.xsd#GoodwillandIntangibleAssetsGoodwillRollforwardDetails"/>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/GoodwillandIntangibleAssetsGoodwillRollforwardDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillLineItems_ed0eb140-ecd3-4332-b00a-9dd29bf45ed3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GoodwillLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_901e9532-1d80-48e0-b5c8-7df9933c57b3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfGoodwillTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_GoodwillLineItems_ed0eb140-ecd3-4332-b00a-9dd29bf45ed3" xlink:to="loc_us-gaap_ScheduleOfGoodwillTable_901e9532-1d80-48e0-b5c8-7df9933c57b3" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_d243c872-6c6b-4190-8fcf-6fc5e846c1a9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_901e9532-1d80-48e0-b5c8-7df9933c57b3" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_d243c872-6c6b-4190-8fcf-6fc5e846c1a9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_d243c872-6c6b-4190-8fcf-6fc5e846c1a9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_d243c872-6c6b-4190-8fcf-6fc5e846c1a9" xlink:to="loc_us-gaap_SegmentDomain_d243c872-6c6b-4190-8fcf-6fc5e846c1a9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_22c0b4f8-fa5f-4ba1-a86c-4d06d18599f2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_d243c872-6c6b-4190-8fcf-6fc5e846c1a9" xlink:to="loc_us-gaap_SegmentDomain_22c0b4f8-fa5f-4ba1-a86c-4d06d18599f2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_IndustrialMember_51d3c182-f2be-4952-a2e9-575361d6e8c5" xlink:href="hwkn-20250330.xsd#hwkn_IndustrialMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_22c0b4f8-fa5f-4ba1-a86c-4d06d18599f2" xlink:to="loc_hwkn_IndustrialMember_51d3c182-f2be-4952-a2e9-575361d6e8c5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_WaterTreatmentMember_4c908453-dbb2-45c5-b996-28afaec4f370" xlink:href="hwkn-20250330.xsd#hwkn_WaterTreatmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_22c0b4f8-fa5f-4ba1-a86c-4d06d18599f2" xlink:to="loc_hwkn_WaterTreatmentMember_4c908453-dbb2-45c5-b996-28afaec4f370" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_HealthandNutritionMember_d471413d-1030-4ae3-ae72-93a1c3ae1d99" xlink:href="hwkn-20250330.xsd#hwkn_HealthandNutritionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_22c0b4f8-fa5f-4ba1-a86c-4d06d18599f2" xlink:to="loc_hwkn_HealthandNutritionMember_d471413d-1030-4ae3-ae72-93a1c3ae1d99" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfReportableSegments_0fc3202f-63de-4a3d-be6c-86fcf99de410" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NumberOfReportableSegments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_ed0eb140-ecd3-4332-b00a-9dd29bf45ed3" xlink:to="loc_us-gaap_NumberOfReportableSegments_0fc3202f-63de-4a3d-be6c-86fcf99de410" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_a9d1ba8a-40a0-460c-bfef-eca590da502e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_ed0eb140-ecd3-4332-b00a-9dd29bf45ed3" xlink:to="loc_us-gaap_Goodwill_a9d1ba8a-40a0-460c-bfef-eca590da502e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillPeriodIncreaseDecrease_f58a5d93-06a0-4bf6-b2cb-b88c5230ba6c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GoodwillPeriodIncreaseDecrease"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_ed0eb140-ecd3-4332-b00a-9dd29bf45ed3" xlink:to="loc_us-gaap_GoodwillPeriodIncreaseDecrease_f58a5d93-06a0-4bf6-b2cb-b88c5230ba6c" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/GoodwillandIntangibleAssetsIntangibleAssetsDetails" xlink:type="simple" xlink:href="hwkn-20250330.xsd#GoodwillandIntangibleAssetsIntangibleAssetsDetails"/>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/GoodwillandIntangibleAssetsIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_a907a8d5-0960-4aef-a092-08b8cc4328ff" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_9388ebe6-a58b-4c6c-81c8-a5498d309292" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_a907a8d5-0960-4aef-a092-08b8cc4328ff" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_9388ebe6-a58b-4c6c-81c8-a5498d309292" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_c9ea006d-16f0-43b1-8f02-cbad8581ab91" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_9388ebe6-a58b-4c6c-81c8-a5498d309292" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_c9ea006d-16f0-43b1-8f02-cbad8581ab91" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_c9ea006d-16f0-43b1-8f02-cbad8581ab91_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_c9ea006d-16f0-43b1-8f02-cbad8581ab91" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_c9ea006d-16f0-43b1-8f02-cbad8581ab91_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_7ba13085-0a70-49f6-a92c-b3d80f83833f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_c9ea006d-16f0-43b1-8f02-cbad8581ab91" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_7ba13085-0a70-49f6-a92c-b3d80f83833f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_9ca8cd51-d043-4584-af9a-e8935cd86966" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_7ba13085-0a70-49f6-a92c-b3d80f83833f" xlink:to="loc_us-gaap_CustomerRelationshipsMember_9ca8cd51-d043-4584-af9a-e8935cd86966" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TrademarksMember_e88cfbfd-4694-4346-a3ba-4ba690252edf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TrademarksMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_7ba13085-0a70-49f6-a92c-b3d80f83833f" xlink:to="loc_us-gaap_TrademarksMember_e88cfbfd-4694-4346-a3ba-4ba690252edf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIntangibleAssetsMember_36ef7ca5-ac1a-45ce-b21f-310508da2e23" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherIntangibleAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_7ba13085-0a70-49f6-a92c-b3d80f83833f" xlink:to="loc_us-gaap_OtherIntangibleAssetsMember_36ef7ca5-ac1a-45ce-b21f-310508da2e23" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_a8fe0bb2-b139-4521-a127-6e32530445b5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_a907a8d5-0960-4aef-a092-08b8cc4328ff" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_a8fe0bb2-b139-4521-a127-6e32530445b5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_475f39fe-11ea-4ac9-b9ce-b6436fc17c5b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_a907a8d5-0960-4aef-a092-08b8cc4328ff" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_475f39fe-11ea-4ac9-b9ce-b6436fc17c5b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_c94a1759-0371-461c-9b75-c544b32cbd3d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_a907a8d5-0960-4aef-a092-08b8cc4328ff" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_c94a1759-0371-461c-9b75-c544b32cbd3d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_9dea77fe-6833-4e57-92e7-ecd1ccd72427" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_a907a8d5-0960-4aef-a092-08b8cc4328ff" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_9dea77fe-6833-4e57-92e7-ecd1ccd72427" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_aab5e4df-57bd-4d39-8d8f-8a0f0f9baf06" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IntangibleAssetsGrossExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_a907a8d5-0960-4aef-a092-08b8cc4328ff" xlink:to="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_aab5e4df-57bd-4d39-8d8f-8a0f0f9baf06" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_4d411e26-430a-48c9-b52d-740fb13a9efc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_89a8e9cb-3a17-4e38-965b-e16def352ad1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_a907a8d5-0960-4aef-a092-08b8cc4328ff" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_89a8e9cb-3a17-4e38-965b-e16def352ad1" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_b44117e8-e8e2-4c08-844f-1e31460b3b6e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_a907a8d5-0960-4aef-a092-08b8cc4328ff" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_b44117e8-e8e2-4c08-844f-1e31460b3b6e" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/DebtDetailsTextual" xlink:type="simple" xlink:href="hwkn-20250330.xsd#DebtDetailsTextual"/>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/DebtDetailsTextual" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_fa3ee916-78eb-43cf-aab5-338185d77c40" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_f5baa53d-ca5a-44a3-ad5d-1c3c54164913" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fa3ee916-78eb-43cf-aab5-338185d77c40" xlink:to="loc_us-gaap_DebtInstrumentTable_f5baa53d-ca5a-44a3-ad5d-1c3c54164913" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_468d23d5-7523-4263-a83f-d2692b735c5d" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_f5baa53d-ca5a-44a3-ad5d-1c3c54164913" xlink:to="loc_srt_RangeAxis_468d23d5-7523-4263-a83f-d2692b735c5d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_468d23d5-7523-4263-a83f-d2692b735c5d_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_468d23d5-7523-4263-a83f-d2692b735c5d" xlink:to="loc_srt_RangeMember_468d23d5-7523-4263-a83f-d2692b735c5d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_c4f98a09-6060-4aad-b937-7cfcb64eda08" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_468d23d5-7523-4263-a83f-d2692b735c5d" xlink:to="loc_srt_RangeMember_c4f98a09-6060-4aad-b937-7cfcb64eda08" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_e71b7deb-3de3-4d1c-9ff6-b7037e71f33e" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_c4f98a09-6060-4aad-b937-7cfcb64eda08" xlink:to="loc_srt_MinimumMember_e71b7deb-3de3-4d1c-9ff6-b7037e71f33e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_e61977f4-02ce-4710-9aa3-ac2879d56012" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_c4f98a09-6060-4aad-b937-7cfcb64eda08" xlink:to="loc_srt_MaximumMember_e61977f4-02ce-4710-9aa3-ac2879d56012" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_4ddeaa38-01f4-4c03-8eda-aa36c308816f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_f5baa53d-ca5a-44a3-ad5d-1c3c54164913" xlink:to="loc_us-gaap_CreditFacilityAxis_4ddeaa38-01f4-4c03-8eda-aa36c308816f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_4ddeaa38-01f4-4c03-8eda-aa36c308816f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_4ddeaa38-01f4-4c03-8eda-aa36c308816f" xlink:to="loc_us-gaap_CreditFacilityDomain_4ddeaa38-01f4-4c03-8eda-aa36c308816f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_55917b27-ab52-4441-9416-e14561a4f97f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_4ddeaa38-01f4-4c03-8eda-aa36c308816f" xlink:to="loc_us-gaap_CreditFacilityDomain_55917b27-ab52-4441-9416-e14561a4f97f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_PreviousCreditFacilityMember_889f04ca-91fe-431f-806e-5deabbe69b51" xlink:href="hwkn-20250330.xsd#hwkn_PreviousCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_55917b27-ab52-4441-9416-e14561a4f97f" xlink:to="loc_hwkn_PreviousCreditFacilityMember_889f04ca-91fe-431f-806e-5deabbe69b51" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_81231f2a-b1b0-422e-b236-42a1df101879" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fa3ee916-78eb-43cf-aab5-338185d77c40" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_81231f2a-b1b0-422e-b236-42a1df101879" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_RevolvingLoanFacilityLetterofCredit_d56789f4-adb5-4539-9fc3-658337f2b59d" xlink:href="hwkn-20250330.xsd#hwkn_RevolvingLoanFacilityLetterofCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fa3ee916-78eb-43cf-aab5-338185d77c40" xlink:to="loc_hwkn_RevolvingLoanFacilityLetterofCredit_d56789f4-adb5-4539-9fc3-658337f2b59d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_RevolvingLoanFacilitySwinglineSubfacility_e9372821-a97a-437d-8636-5cf7d14fb445" xlink:href="hwkn-20250330.xsd#hwkn_RevolvingLoanFacilitySwinglineSubfacility"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fa3ee916-78eb-43cf-aab5-338185d77c40" xlink:to="loc_hwkn_RevolvingLoanFacilitySwinglineSubfacility_e9372821-a97a-437d-8636-5cf7d14fb445" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_fa474312-0a0c-4649-8d01-d3002a45a029" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fa3ee916-78eb-43cf-aab5-338185d77c40" xlink:to="loc_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_fa474312-0a0c-4649-8d01-d3002a45a029" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_20c24182-8307-4b18-a550-5defcaeacd7d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fa3ee916-78eb-43cf-aab5-338185d77c40" xlink:to="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_20c24182-8307-4b18-a550-5defcaeacd7d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnamortizedDebtIssuanceExpense_973b0826-da29-48e9-9b18-aa29e6e60c53" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnamortizedDebtIssuanceExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fa3ee916-78eb-43cf-aab5-338185d77c40" xlink:to="loc_us-gaap_UnamortizedDebtIssuanceExpense_973b0826-da29-48e9-9b18-aa29e6e60c53" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_FixedChargeCoverageRatio_92769184-dd44-4e83-a762-70950a7cab43" xlink:href="hwkn-20250330.xsd#hwkn_FixedChargeCoverageRatio"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fa3ee916-78eb-43cf-aab5-338185d77c40" xlink:to="loc_hwkn_FixedChargeCoverageRatio_92769184-dd44-4e83-a762-70950a7cab43" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_CashFlowLeverageRatio_42da217c-445b-424c-a9a6-38d730b43b92" xlink:href="hwkn-20250330.xsd#hwkn_CashFlowLeverageRatio"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fa3ee916-78eb-43cf-aab5-338185d77c40" xlink:to="loc_hwkn_CashFlowLeverageRatio_42da217c-445b-424c-a9a6-38d730b43b92" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/DebtDetails" xlink:type="simple" xlink:href="hwkn-20250330.xsd#DebtDetails"/>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/DebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_e7f5dd63-c15c-46bb-8533-8ee78e8abb7e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_2a82fadf-06ad-417e-9edd-0af3726a1138" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e7f5dd63-c15c-46bb-8533-8ee78e8abb7e" xlink:to="loc_us-gaap_DebtInstrumentTable_2a82fadf-06ad-417e-9edd-0af3726a1138" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_707e5b44-c804-4a33-9ddb-d80e320777ab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_2a82fadf-06ad-417e-9edd-0af3726a1138" xlink:to="loc_us-gaap_CreditFacilityAxis_707e5b44-c804-4a33-9ddb-d80e320777ab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_707e5b44-c804-4a33-9ddb-d80e320777ab_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_707e5b44-c804-4a33-9ddb-d80e320777ab" xlink:to="loc_us-gaap_CreditFacilityDomain_707e5b44-c804-4a33-9ddb-d80e320777ab_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_9dea1dc5-a0d4-4ace-aea5-f61f801caec3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_707e5b44-c804-4a33-9ddb-d80e320777ab" xlink:to="loc_us-gaap_CreditFacilityDomain_9dea1dc5-a0d4-4ace-aea5-f61f801caec3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_2d0642c2-e99c-483a-b647-ec08dd4aa0e1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_9dea1dc5-a0d4-4ace-aea5-f61f801caec3" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_2d0642c2-e99c-483a-b647-ec08dd4aa0e1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_PreviousCreditFacilityMember_27f4084b-65ea-421d-b539-b7cfa7cb152e" xlink:href="hwkn-20250330.xsd#hwkn_PreviousCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_9dea1dc5-a0d4-4ace-aea5-f61f801caec3" xlink:to="loc_hwkn_PreviousCreditFacilityMember_27f4084b-65ea-421d-b539-b7cfa7cb152e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_f7ee87f9-1492-4492-81c1-e18fff855932" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e7f5dd63-c15c-46bb-8533-8ee78e8abb7e" xlink:to="loc_us-gaap_LongTermDebt_f7ee87f9-1492-4492-81c1-e18fff855932" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnamortizedDebtIssuanceExpense_b95040f2-82bc-4555-9013-1230ecb2683d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnamortizedDebtIssuanceExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e7f5dd63-c15c-46bb-8533-8ee78e8abb7e" xlink:to="loc_us-gaap_UnamortizedDebtIssuanceExpense_b95040f2-82bc-4555-9013-1230ecb2683d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_Totaldebtnetofdebtissuancecosts_01efe834-3c6c-43b2-aedd-9e71474a6475" xlink:href="hwkn-20250330.xsd#hwkn_Totaldebtnetofdebtissuancecosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e7f5dd63-c15c-46bb-8533-8ee78e8abb7e" xlink:to="loc_hwkn_Totaldebtnetofdebtissuancecosts_01efe834-3c6c-43b2-aedd-9e71474a6475" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_68b32f07-1ee6-4cfa-bffe-724ddb514ac0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e7f5dd63-c15c-46bb-8533-8ee78e8abb7e" xlink:to="loc_us-gaap_LongTermDebtCurrent_68b32f07-1ee6-4cfa-bffe-724ddb514ac0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_640904c2-f5df-470e-a1e8-6c3a34f2ac0f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e7f5dd63-c15c-46bb-8533-8ee78e8abb7e" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_640904c2-f5df-470e-a1e8-6c3a34f2ac0f" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/ShareBasedCompensationRestrictedandPerformanceSharesRollforwardDetails" xlink:type="simple" xlink:href="hwkn-20250330.xsd#ShareBasedCompensationRestrictedandPerformanceSharesRollforwardDetails"/>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/ShareBasedCompensationRestrictedandPerformanceSharesRollforwardDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_df025a37-c9b8-433b-8ad8-b2ace8891510" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_0e71ad67-fc47-4d20-9c40-358f09268c09" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_df025a37-c9b8-433b-8ad8-b2ace8891510" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_0e71ad67-fc47-4d20-9c40-358f09268c09" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_fbf7859e-1676-425e-97ed-e2662b0f5897" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_0e71ad67-fc47-4d20-9c40-358f09268c09" xlink:to="loc_us-gaap_AwardTypeAxis_fbf7859e-1676-425e-97ed-e2662b0f5897" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_fbf7859e-1676-425e-97ed-e2662b0f5897_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_fbf7859e-1676-425e-97ed-e2662b0f5897" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_fbf7859e-1676-425e-97ed-e2662b0f5897_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3eb09d6e-483f-4845-b7cf-fcc9001d6660" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_fbf7859e-1676-425e-97ed-e2662b0f5897" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3eb09d6e-483f-4845-b7cf-fcc9001d6660" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember_983e4d31-70a5-4e77-a3ea-f5b85907b266" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PerformanceSharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3eb09d6e-483f-4845-b7cf-fcc9001d6660" xlink:to="loc_us-gaap_PerformanceSharesMember_983e4d31-70a5-4e77-a3ea-f5b85907b266" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockMember_a4612851-c1b1-4f99-ba7d-7d6138c60a4e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestrictedStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3eb09d6e-483f-4845-b7cf-fcc9001d6660" xlink:to="loc_us-gaap_RestrictedStockMember_a4612851-c1b1-4f99-ba7d-7d6138c60a4e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_43152b29-0c68-42df-8859-fb86a6ad7f04" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_df025a37-c9b8-433b-8ad8-b2ace8891510" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_43152b29-0c68-42df-8859-fb86a6ad7f04" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_0bf95dc4-cde4-4132-9a4b-4b59a46af1fe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_43152b29-0c68-42df-8859-fb86a6ad7f04" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_0bf95dc4-cde4-4132-9a4b-4b59a46af1fe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_066800e7-1ee5-4485-8299-02b125b91326" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_43152b29-0c68-42df-8859-fb86a6ad7f04" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_066800e7-1ee5-4485-8299-02b125b91326" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_579b1f8e-7ed4-487f-898c-9bd2686f9bf3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_43152b29-0c68-42df-8859-fb86a6ad7f04" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_579b1f8e-7ed4-487f-898c-9bd2686f9bf3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_bb534d19-2f18-4a99-a9c9-069d162b8df6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_43152b29-0c68-42df-8859-fb86a6ad7f04" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_bb534d19-2f18-4a99-a9c9-069d162b8df6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_e2c9e2a8-2195-42d8-80b2-4f3d6f110dc8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_d89b2a32-ba8b-48e1-9a1b-b570c9336c1c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_df025a37-c9b8-433b-8ad8-b2ace8891510" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_d89b2a32-ba8b-48e1-9a1b-b570c9336c1c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_d4aa3d20-f278-49d8-97c4-c24360e0e6c8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_d89b2a32-ba8b-48e1-9a1b-b570c9336c1c" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_d4aa3d20-f278-49d8-97c4-c24360e0e6c8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_32a27659-fcbe-4ae6-8ac7-7ca9bd5c5fa8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_d89b2a32-ba8b-48e1-9a1b-b570c9336c1c" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_32a27659-fcbe-4ae6-8ac7-7ca9bd5c5fa8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_fe2bd13d-87c8-477f-930a-6d10a8af169c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_d89b2a32-ba8b-48e1-9a1b-b570c9336c1c" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_fe2bd13d-87c8-477f-930a-6d10a8af169c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_018ce9f3-5d2a-486d-9e99-a21f9259f62c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_d89b2a32-ba8b-48e1-9a1b-b570c9336c1c" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_018ce9f3-5d2a-486d-9e99-a21f9259f62c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_20e11fe6-e52a-4296-94c2-fc2a0e4b8627" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/ShareBasedCompensationTextualDetails" xlink:type="simple" xlink:href="hwkn-20250330.xsd#ShareBasedCompensationTextualDetails"/>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/ShareBasedCompensationTextualDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_d617a1d2-4c25-49f3-a3a8-30d90236f796" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_d1250ecd-416f-4e71-a0bc-ba837f53c952" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_d617a1d2-4c25-49f3-a3a8-30d90236f796" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_d1250ecd-416f-4e71-a0bc-ba837f53c952" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_6e631eb5-1383-49f6-b935-9c0f4f599a80" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_d1250ecd-416f-4e71-a0bc-ba837f53c952" xlink:to="loc_us-gaap_AwardTypeAxis_6e631eb5-1383-49f6-b935-9c0f4f599a80" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6e631eb5-1383-49f6-b935-9c0f4f599a80_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_6e631eb5-1383-49f6-b935-9c0f4f599a80" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6e631eb5-1383-49f6-b935-9c0f4f599a80_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_4ad30e1a-020f-4e15-bc1b-f83b943d3daf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_6e631eb5-1383-49f6-b935-9c0f4f599a80" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_4ad30e1a-020f-4e15-bc1b-f83b943d3daf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember_d5d44b15-576e-40f4-8a4e-e6a20f1b94ca" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PerformanceSharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_4ad30e1a-020f-4e15-bc1b-f83b943d3daf" xlink:to="loc_us-gaap_PerformanceSharesMember_d5d44b15-576e-40f4-8a4e-e6a20f1b94ca" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockMember_413bc969-89a4-4b18-b79d-c7f44dcc070c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestrictedStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_4ad30e1a-020f-4e15-bc1b-f83b943d3daf" xlink:to="loc_us-gaap_RestrictedStockMember_413bc969-89a4-4b18-b79d-c7f44dcc070c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_1fc33356-2e1a-45c1-be24-e2aba9d4f0a6" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_d1250ecd-416f-4e71-a0bc-ba837f53c952" xlink:to="loc_srt_RangeAxis_1fc33356-2e1a-45c1-be24-e2aba9d4f0a6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_1fc33356-2e1a-45c1-be24-e2aba9d4f0a6_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_1fc33356-2e1a-45c1-be24-e2aba9d4f0a6" xlink:to="loc_srt_RangeMember_1fc33356-2e1a-45c1-be24-e2aba9d4f0a6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_62e62f77-8363-4d9b-b6e7-95f76a91044c" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_1fc33356-2e1a-45c1-be24-e2aba9d4f0a6" xlink:to="loc_srt_RangeMember_62e62f77-8363-4d9b-b6e7-95f76a91044c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_WeightedAverageMember_6b0e5cee-c771-407d-bb87-bb2b00bb1193" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_WeightedAverageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_62e62f77-8363-4d9b-b6e7-95f76a91044c" xlink:to="loc_srt_WeightedAverageMember_6b0e5cee-c771-407d-bb87-bb2b00bb1193" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_RangeOfRestrictedStockToBeIssuedMinimum_adae6457-d1eb-4de5-a0b4-3f7e383f7016" xlink:href="hwkn-20250330.xsd#hwkn_RangeOfRestrictedStockToBeIssuedMinimum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_d617a1d2-4c25-49f3-a3a8-30d90236f796" xlink:to="loc_hwkn_RangeOfRestrictedStockToBeIssuedMinimum_adae6457-d1eb-4de5-a0b4-3f7e383f7016" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_RangeOfRestrictedStockToBeIssuedMaximum_8508763a-245b-4f09-b264-9cf52f6b8e8b" xlink:href="hwkn-20250330.xsd#hwkn_RangeOfRestrictedStockToBeIssuedMaximum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_d617a1d2-4c25-49f3-a3a8-30d90236f796" xlink:to="loc_hwkn_RangeOfRestrictedStockToBeIssuedMaximum_8508763a-245b-4f09-b264-9cf52f6b8e8b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_cc3ffd5f-565e-40f4-ad65-f9d6a0ccb247" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_d617a1d2-4c25-49f3-a3a8-30d90236f796" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_cc3ffd5f-565e-40f4-ad65-f9d6a0ccb247" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_c17db331-e365-4957-b62b-5dc176d56d70" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_d617a1d2-4c25-49f3-a3a8-30d90236f796" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_c17db331-e365-4957-b62b-5dc176d56d70" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_7b28c7c1-6218-4464-be10-6cbb82b41208" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_d617a1d2-4c25-49f3-a3a8-30d90236f796" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_7b28c7c1-6218-4464-be10-6cbb82b41208" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_605ff392-710c-42fa-9f8a-f95137330a08" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_d617a1d2-4c25-49f3-a3a8-30d90236f796" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_605ff392-710c-42fa-9f8a-f95137330a08" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/ShareRepurchaseProgramDetails" xlink:type="simple" xlink:href="hwkn-20250330.xsd#ShareRepurchaseProgramDetails"/>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/ShareRepurchaseProgramDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_84a48355-469f-4aac-80e2-000f4ff8d76c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_221e5c58-0c4c-4763-9212-d46b53a23e90" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_84a48355-469f-4aac-80e2-000f4ff8d76c" xlink:to="loc_us-gaap_StatementTable_221e5c58-0c4c-4763-9212-d46b53a23e90" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_e26da657-78f1-49a8-9df2-7403c4aec428" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_221e5c58-0c4c-4763-9212-d46b53a23e90" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_e26da657-78f1-49a8-9df2-7403c4aec428" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_e26da657-78f1-49a8-9df2-7403c4aec428_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_e26da657-78f1-49a8-9df2-7403c4aec428" xlink:to="loc_us-gaap_EquityComponentDomain_e26da657-78f1-49a8-9df2-7403c4aec428_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_f56bbaa6-5563-4b7a-8515-9bbb9dd08961" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_e26da657-78f1-49a8-9df2-7403c4aec428" xlink:to="loc_us-gaap_EquityComponentDomain_f56bbaa6-5563-4b7a-8515-9bbb9dd08961" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_723b6393-5ad9-4974-8028-42c7f9757ec1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_f56bbaa6-5563-4b7a-8515-9bbb9dd08961" xlink:to="loc_us-gaap_CommonStockMember_723b6393-5ad9-4974-8028-42c7f9757ec1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_823cc031-30bf-4a3f-893c-c3e1f7617b75" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_f56bbaa6-5563-4b7a-8515-9bbb9dd08961" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_823cc031-30bf-4a3f-893c-c3e1f7617b75" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_54c70068-3625-42c9-9681-8a0bf47ca967" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_84a48355-469f-4aac-80e2-000f4ff8d76c" xlink:to="loc_srt_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_54c70068-3625-42c9-9681-8a0bf47ca967" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_ef75f153-61de-4d75-aa7a-36c0b7ea2c47" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_84a48355-469f-4aac-80e2-000f4ff8d76c" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_ef75f153-61de-4d75-aa7a-36c0b7ea2c47" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodValue_da17d70d-c8f8-424b-8484-7edf4cc4ade0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockRepurchasedDuringPeriodValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_84a48355-469f-4aac-80e2-000f4ff8d76c" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodValue_da17d70d-c8f8-424b-8484-7edf4cc4ade0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased_9c0643cb-c00c-4018-9020-bef41d12c3c9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_84a48355-469f-4aac-80e2-000f4ff8d76c" xlink:to="loc_us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased_9c0643cb-c00c-4018-9020-bef41d12c3c9" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/ProfitSharingEmployeeStockOwnershipEmployeeStockPurchaseandPensionPlansDetails" xlink:type="simple" xlink:href="hwkn-20250330.xsd#ProfitSharingEmployeeStockOwnershipEmployeeStockPurchaseandPensionPlansDetails"/>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/ProfitSharingEmployeeStockOwnershipEmployeeStockPurchaseandPensionPlansDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedContributionPlanDisclosureLineItems_27421971-2586-44a7-8893-63b01ec08cde" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedContributionPlanDisclosureLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedContributionPlanTable_2ee2924d-5e47-4899-831f-88d9ffb7199f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedContributionPlanTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedContributionPlanDisclosureLineItems_27421971-2586-44a7-8893-63b01ec08cde" xlink:to="loc_us-gaap_DefinedContributionPlanTable_2ee2924d-5e47-4899-831f-88d9ffb7199f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CollectiveBargainingArrangementAxis_b36a7481-069a-4875-84d3-cf81edc1386e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CollectiveBargainingArrangementAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DefinedContributionPlanTable_2ee2924d-5e47-4899-831f-88d9ffb7199f" xlink:to="loc_us-gaap_CollectiveBargainingArrangementAxis_b36a7481-069a-4875-84d3-cf81edc1386e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CollectiveBargainingArrangementDomain_b36a7481-069a-4875-84d3-cf81edc1386e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CollectiveBargainingArrangementDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CollectiveBargainingArrangementAxis_b36a7481-069a-4875-84d3-cf81edc1386e" xlink:to="loc_us-gaap_CollectiveBargainingArrangementDomain_b36a7481-069a-4875-84d3-cf81edc1386e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CollectiveBargainingArrangementDomain_167997b1-5975-4d7f-8d0d-1414bcc3b71e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CollectiveBargainingArrangementDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CollectiveBargainingArrangementAxis_b36a7481-069a-4875-84d3-cf81edc1386e" xlink:to="loc_us-gaap_CollectiveBargainingArrangementDomain_167997b1-5975-4d7f-8d0d-1414bcc3b71e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_BargainingUnitEmployeePlansMember_11e8fb82-fd7f-4f0b-8998-7b736ac7a4f3" xlink:href="hwkn-20250330.xsd#hwkn_BargainingUnitEmployeePlansMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CollectiveBargainingArrangementDomain_167997b1-5975-4d7f-8d0d-1414bcc3b71e" xlink:to="loc_hwkn_BargainingUnitEmployeePlansMember_11e8fb82-fd7f-4f0b-8998-7b736ac7a4f3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_9869ebb9-4dfb-4921-b03b-931d11e0207b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedContributionPlanDisclosureLineItems_27421971-2586-44a7-8893-63b01ec08cde" xlink:to="loc_us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_9869ebb9-4dfb-4921-b03b-931d11e0207b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_DefinedContributionPlanEmployerMatchingContributionAmount_6dd3a514-227a-47c2-9401-ee08c9f0ccb7" xlink:href="hwkn-20250330.xsd#hwkn_DefinedContributionPlanEmployerMatchingContributionAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedContributionPlanDisclosureLineItems_27421971-2586-44a7-8893-63b01ec08cde" xlink:to="loc_hwkn_DefinedContributionPlanEmployerMatchingContributionAmount_6dd3a514-227a-47c2-9401-ee08c9f0ccb7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense_75281e44-cea0-42dd-a926-da547eecbe35" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedContributionPlanDisclosureLineItems_27421971-2586-44a7-8893-63b01ec08cde" xlink:to="loc_us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense_75281e44-cea0-42dd-a926-da547eecbe35" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualContributionsByEmployer_ee246cf5-53f8-4d0a-a3de-7748ddfb1372" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredCompensationArrangementWithIndividualContributionsByEmployer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedContributionPlanDisclosureLineItems_27421971-2586-44a7-8893-63b01ec08cde" xlink:to="loc_us-gaap_DeferredCompensationArrangementWithIndividualContributionsByEmployer_ee246cf5-53f8-4d0a-a3de-7748ddfb1372" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedContributionPlanCostRecognized_4d87db52-9849-40de-b34f-57aa8d871938" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedContributionPlanCostRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedContributionPlanDisclosureLineItems_27421971-2586-44a7-8893-63b01ec08cde" xlink:to="loc_us-gaap_DefinedContributionPlanCostRecognized_4d87db52-9849-40de-b34f-57aa8d871938" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_EmployeeStockPurchasePlansESPPCompensationExpense_ee882e94-fd6a-4039-8782-50d15b9c48e6" xlink:href="hwkn-20250330.xsd#hwkn_EmployeeStockPurchasePlansESPPCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedContributionPlanDisclosureLineItems_27421971-2586-44a7-8893-63b01ec08cde" xlink:to="loc_hwkn_EmployeeStockPurchasePlansESPPCompensationExpense_ee882e94-fd6a-4039-8782-50d15b9c48e6" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_ProfitSharingEmployeeStockOwnershipPlanEmployeeStockPurchasePlanAndDefinedContributionPensionPlanContributionExpense_163ba221-8bd5-4478-8f72-083533bcbd5d" xlink:href="hwkn-20250330.xsd#hwkn_ProfitSharingEmployeeStockOwnershipPlanEmployeeStockPurchasePlanAndDefinedContributionPensionPlanContributionExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedContributionPlanDisclosureLineItems_27421971-2586-44a7-8893-63b01ec08cde" xlink:to="loc_hwkn_ProfitSharingEmployeeStockOwnershipPlanEmployeeStockPurchasePlanAndDefinedContributionPensionPlanContributionExpense_163ba221-8bd5-4478-8f72-083533bcbd5d" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/ProfitSharingEmployeeStockOwnershipEmployeeStockPurchaseandPensionPlansTextualDetails" xlink:type="simple" xlink:href="hwkn-20250330.xsd#ProfitSharingEmployeeStockOwnershipEmployeeStockPurchaseandPensionPlansTextualDetails"/>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/ProfitSharingEmployeeStockOwnershipEmployeeStockPurchaseandPensionPlansTextualDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedContributionPlanDisclosureLineItems_32791ec9-9dc6-4726-8580-53e23bc4914c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedContributionPlanDisclosureLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedContributionPlanTable_07cd2074-b60e-4401-bfd6-5d02fa444e07" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedContributionPlanTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DefinedContributionPlanDisclosureLineItems_32791ec9-9dc6-4726-8580-53e23bc4914c" xlink:to="loc_us-gaap_DefinedContributionPlanTable_07cd2074-b60e-4401-bfd6-5d02fa444e07" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CollectiveBargainingArrangementAxis_da7ccf23-0036-4cdb-9ba5-5fc168cc4cf3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CollectiveBargainingArrangementAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DefinedContributionPlanTable_07cd2074-b60e-4401-bfd6-5d02fa444e07" xlink:to="loc_us-gaap_CollectiveBargainingArrangementAxis_da7ccf23-0036-4cdb-9ba5-5fc168cc4cf3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CollectiveBargainingArrangementDomain_da7ccf23-0036-4cdb-9ba5-5fc168cc4cf3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CollectiveBargainingArrangementDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CollectiveBargainingArrangementAxis_da7ccf23-0036-4cdb-9ba5-5fc168cc4cf3" xlink:to="loc_us-gaap_CollectiveBargainingArrangementDomain_da7ccf23-0036-4cdb-9ba5-5fc168cc4cf3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CollectiveBargainingArrangementDomain_e0daf8d8-58d8-4186-950f-bae609c86eb1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CollectiveBargainingArrangementDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CollectiveBargainingArrangementAxis_da7ccf23-0036-4cdb-9ba5-5fc168cc4cf3" xlink:to="loc_us-gaap_CollectiveBargainingArrangementDomain_e0daf8d8-58d8-4186-950f-bae609c86eb1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_BargainingUnitEmployeePlansMember_80112410-cd76-479d-ab6a-03fb9f7c2f84" xlink:href="hwkn-20250330.xsd#hwkn_BargainingUnitEmployeePlansMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CollectiveBargainingArrangementDomain_e0daf8d8-58d8-4186-950f-bae609c86eb1" xlink:to="loc_hwkn_BargainingUnitEmployeePlansMember_80112410-cd76-479d-ab6a-03fb9f7c2f84" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeAxis_9ccf1c2c-c53e-4bff-a97f-dac95bbe9471" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetirementPlanTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DefinedContributionPlanTable_07cd2074-b60e-4401-bfd6-5d02fa444e07" xlink:to="loc_us-gaap_RetirementPlanTypeAxis_9ccf1c2c-c53e-4bff-a97f-dac95bbe9471" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_9ccf1c2c-c53e-4bff-a97f-dac95bbe9471_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetirementPlanTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_9ccf1c2c-c53e-4bff-a97f-dac95bbe9471" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_9ccf1c2c-c53e-4bff-a97f-dac95bbe9471_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_5c51efce-4778-4d5b-8d97-ecdb3fe81e05" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetirementPlanTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_9ccf1c2c-c53e-4bff-a97f-dac95bbe9471" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_5c51efce-4778-4d5b-8d97-ecdb3fe81e05" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredProfitSharingMember_e7076871-7adf-4082-b088-4b9d3ae1f60f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredProfitSharingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_5c51efce-4778-4d5b-8d97-ecdb3fe81e05" xlink:to="loc_us-gaap_DeferredProfitSharingMember_e7076871-7adf-4082-b088-4b9d3ae1f60f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_A401kplanMember_92d331e5-ddbe-441f-902f-089b12c00076" xlink:href="hwkn-20250330.xsd#hwkn_A401kplanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_5c51efce-4778-4d5b-8d97-ecdb3fe81e05" xlink:to="loc_hwkn_A401kplanMember_92d331e5-ddbe-441f-902f-089b12c00076" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOwnershipPlanESOPPlanDomain_b435ba75-3945-41d2-a24a-eeb2d69af074" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EmployeeStockOwnershipPlanESOPPlanDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_5c51efce-4778-4d5b-8d97-ecdb3fe81e05" xlink:to="loc_us-gaap_EmployeeStockOwnershipPlanESOPPlanDomain_b435ba75-3945-41d2-a24a-eeb2d69af074" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTaxStatusAxis_36028418-7cd3-4deb-87be-51fbbb6ddf2f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetirementPlanTaxStatusAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DefinedContributionPlanTable_07cd2074-b60e-4401-bfd6-5d02fa444e07" xlink:to="loc_us-gaap_RetirementPlanTaxStatusAxis_36028418-7cd3-4deb-87be-51fbbb6ddf2f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTaxStatusDomain_36028418-7cd3-4deb-87be-51fbbb6ddf2f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetirementPlanTaxStatusDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RetirementPlanTaxStatusAxis_36028418-7cd3-4deb-87be-51fbbb6ddf2f" xlink:to="loc_us-gaap_RetirementPlanTaxStatusDomain_36028418-7cd3-4deb-87be-51fbbb6ddf2f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTaxStatusDomain_6bf8fe95-0c7a-4a04-91dd-012ffd0cf78c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetirementPlanTaxStatusDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RetirementPlanTaxStatusAxis_36028418-7cd3-4deb-87be-51fbbb6ddf2f" xlink:to="loc_us-gaap_RetirementPlanTaxStatusDomain_6bf8fe95-0c7a-4a04-91dd-012ffd0cf78c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_QualifiedPlanMember_e5278bdc-236a-4df2-a500-3e20ec4173ab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_QualifiedPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanTaxStatusDomain_6bf8fe95-0c7a-4a04-91dd-012ffd0cf78c" xlink:to="loc_us-gaap_QualifiedPlanMember_e5278bdc-236a-4df2-a500-3e20ec4173ab" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonqualifiedPlanMember_dd5d292b-2460-4d09-9baf-65b98215da61" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NonqualifiedPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RetirementPlanTaxStatusDomain_6bf8fe95-0c7a-4a04-91dd-012ffd0cf78c" xlink:to="loc_us-gaap_NonqualifiedPlanMember_dd5d292b-2460-4d09-9baf-65b98215da61" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_f9365b76-6dee-49c9-9644-02e138332413" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DefinedContributionPlanTable_07cd2074-b60e-4401-bfd6-5d02fa444e07" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_f9365b76-6dee-49c9-9644-02e138332413" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_f9365b76-6dee-49c9-9644-02e138332413_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_f9365b76-6dee-49c9-9644-02e138332413" xlink:to="loc_us-gaap_EquityComponentDomain_f9365b76-6dee-49c9-9644-02e138332413_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_1296017e-4adb-4bae-99fa-ff62f1eeb7c9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_f9365b76-6dee-49c9-9644-02e138332413" xlink:to="loc_us-gaap_EquityComponentDomain_1296017e-4adb-4bae-99fa-ff62f1eeb7c9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_a93ff750-0277-4fa9-a553-3cc13c3cfe19" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_1296017e-4adb-4bae-99fa-ff62f1eeb7c9" xlink:to="loc_us-gaap_CommonStockMember_a93ff750-0277-4fa9-a553-3cc13c3cfe19" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_5b883540-9a8b-45bc-94a9-cca969dd4848" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DefinedContributionPlanTable_07cd2074-b60e-4401-bfd6-5d02fa444e07" xlink:to="loc_srt_RangeAxis_5b883540-9a8b-45bc-94a9-cca969dd4848" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_5b883540-9a8b-45bc-94a9-cca969dd4848_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_5b883540-9a8b-45bc-94a9-cca969dd4848" xlink:to="loc_srt_RangeMember_5b883540-9a8b-45bc-94a9-cca969dd4848_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_ee1cbce6-418f-4b98-bcfe-66c2ded32734" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_5b883540-9a8b-45bc-94a9-cca969dd4848" xlink:to="loc_srt_RangeMember_ee1cbce6-418f-4b98-bcfe-66c2ded32734" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_93536a69-6385-438f-a730-445e113fdfe6" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_ee1cbce6-418f-4b98-bcfe-66c2ded32734" xlink:to="loc_srt_MinimumMember_93536a69-6385-438f-a730-445e113fdfe6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_939b3716-56e0-450f-bc76-4e7e8ade9af5" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_ee1cbce6-418f-4b98-bcfe-66c2ded32734" xlink:to="loc_srt_MaximumMember_939b3716-56e0-450f-bc76-4e7e8ade9af5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent_bf1a44fa-e85b-4801-bc06-f96635c6a114" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedContributionPlanDisclosureLineItems_32791ec9-9dc6-4726-8580-53e23bc4914c" xlink:to="loc_us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent_bf1a44fa-e85b-4801-bc06-f96635c6a114" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_c6a9154a-a077-4f50-9b58-2044d152556e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedContributionPlanDisclosureLineItems_32791ec9-9dc6-4726-8580-53e23bc4914c" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_c6a9154a-a077-4f50-9b58-2044d152556e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_MultiEmployerPensionPlanWithdrawalLiabilityPaymentOverPeriodofYears_e802aa9d-d7af-4cc2-bd1f-6c1197f8c61a" xlink:href="hwkn-20250330.xsd#hwkn_MultiEmployerPensionPlanWithdrawalLiabilityPaymentOverPeriodofYears"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DefinedContributionPlanDisclosureLineItems_32791ec9-9dc6-4726-8580-53e23bc4914c" xlink:to="loc_hwkn_MultiEmployerPensionPlanWithdrawalLiabilityPaymentOverPeriodofYears_e802aa9d-d7af-4cc2-bd1f-6c1197f8c61a" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/IncomeTaxesProvisionofIncomeTaxDetails" xlink:type="simple" xlink:href="hwkn-20250330.xsd#IncomeTaxesProvisionofIncomeTaxDetails"/>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/IncomeTaxesProvisionofIncomeTaxDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExaminationLineItems_16bf9c72-bf14-45ec-b512-a72a3897b75f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExaminationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExaminationTable_dc4a439e-2d57-4e82-a835-8027d95de286" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExaminationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_16bf9c72-bf14-45ec-b512-a72a3897b75f" xlink:to="loc_us-gaap_IncomeTaxExaminationTable_dc4a439e-2d57-4e82-a835-8027d95de286" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_6ad486c1-6afb-412a-90bb-692e23ed1e82" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxAuthorityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeTaxExaminationTable_dc4a439e-2d57-4e82-a835-8027d95de286" xlink:to="loc_us-gaap_IncomeTaxAuthorityAxis_6ad486c1-6afb-412a-90bb-692e23ed1e82" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_6ad486c1-6afb-412a-90bb-692e23ed1e82_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxAuthorityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_6ad486c1-6afb-412a-90bb-692e23ed1e82" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_6ad486c1-6afb-412a-90bb-692e23ed1e82_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_5a24619a-5f52-439f-b97e-f811ee223858" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxAuthorityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_6ad486c1-6afb-412a-90bb-692e23ed1e82" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_5a24619a-5f52-439f-b97e-f811ee223858" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_906e6470-c2ca-432e-9128-cef8faa195f8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentFederalTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_16bf9c72-bf14-45ec-b512-a72a3897b75f" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_906e6470-c2ca-432e-9128-cef8faa195f8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_cd962acf-6042-4861-910e-fa3359f14b9f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_16bf9c72-bf14-45ec-b512-a72a3897b75f" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_cd962acf-6042-4861-910e-fa3359f14b9f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_cef3c7a1-82a6-4440-a527-d7316c684e39" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_16bf9c72-bf14-45ec-b512-a72a3897b75f" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_cef3c7a1-82a6-4440-a527-d7316c684e39" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_d7e1fe7d-01d7-4eee-9af2-3bc4a353ac35" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_16bf9c72-bf14-45ec-b512-a72a3897b75f" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_d7e1fe7d-01d7-4eee-9af2-3bc4a353ac35" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_126aa901-4825-413b-87da-175af2b1a84c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_16bf9c72-bf14-45ec-b512-a72a3897b75f" xlink:to="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_126aa901-4825-413b-87da-175af2b1a84c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_DeferredIncomeTaxExpenseBenefitExcludingProvisionalGain_d7aa7190-bf49-4e73-ae8c-e1582702560b" xlink:href="hwkn-20250330.xsd#hwkn_DeferredIncomeTaxExpenseBenefitExcludingProvisionalGain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_16bf9c72-bf14-45ec-b512-a72a3897b75f" xlink:to="loc_hwkn_DeferredIncomeTaxExpenseBenefitExcludingProvisionalGain_d7aa7190-bf49-4e73-ae8c-e1582702560b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_3fdc7e15-68d1-46c3-b853-923eb5855127" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_16bf9c72-bf14-45ec-b512-a72a3897b75f" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_3fdc7e15-68d1-46c3-b853-923eb5855127" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/LeasesDetailsTextual" xlink:type="simple" xlink:href="hwkn-20250330.xsd#LeasesDetailsTextual"/>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/LeasesDetailsTextual" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_05f208b0-7460-47a3-ae8a-9181341b17f1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorLeaseDescriptionTable_61946dd7-7140-471c-b0ba-4b6cc057ed24" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LessorLeaseDescriptionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_05f208b0-7460-47a3-ae8a-9181341b17f1" xlink:to="loc_us-gaap_LessorLeaseDescriptionTable_61946dd7-7140-471c-b0ba-4b6cc057ed24" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_26f17b2c-8c02-43ed-9360-5e2f60186a65" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LessorLeaseDescriptionTable_61946dd7-7140-471c-b0ba-4b6cc057ed24" xlink:to="loc_srt_RangeAxis_26f17b2c-8c02-43ed-9360-5e2f60186a65" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_26f17b2c-8c02-43ed-9360-5e2f60186a65_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_26f17b2c-8c02-43ed-9360-5e2f60186a65" xlink:to="loc_srt_RangeMember_26f17b2c-8c02-43ed-9360-5e2f60186a65_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_976ec34e-514c-40ee-b69b-db5e3d3c862a" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_26f17b2c-8c02-43ed-9360-5e2f60186a65" xlink:to="loc_srt_RangeMember_976ec34e-514c-40ee-b69b-db5e3d3c862a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_5aa347ed-b087-4197-9cac-9429d1c8f178" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_976ec34e-514c-40ee-b69b-db5e3d3c862a" xlink:to="loc_srt_MinimumMember_5aa347ed-b087-4197-9cac-9429d1c8f178" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_3684a7ff-32c1-4e6c-bd84-19d41d6786a3" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_976ec34e-514c-40ee-b69b-db5e3d3c862a" xlink:to="loc_srt_MaximumMember_3684a7ff-32c1-4e6c-bd84-19d41d6786a3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseRenewalTerm_80a458e8-331d-4b63-ab10-6d6ae7011ddd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseRenewalTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_05f208b0-7460-47a3-ae8a-9181341b17f1" xlink:to="loc_us-gaap_LesseeOperatingLeaseRenewalTerm_80a458e8-331d-4b63-ab10-6d6ae7011ddd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseOptionToExtend_9324651d-1b1d-4d10-b826-bf26537a08c8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseOptionToExtend"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_05f208b0-7460-47a3-ae8a-9181341b17f1" xlink:to="loc_us-gaap_LesseeOperatingLeaseOptionToExtend_9324651d-1b1d-4d10-b826-bf26537a08c8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseExpense_122d1714-8eff-4fbd-a346-74563ff7026c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_05f208b0-7460-47a3-ae8a-9181341b17f1" xlink:to="loc_us-gaap_OperatingLeaseExpense_122d1714-8eff-4fbd-a346-74563ff7026c" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/SegmentInformationDetails" xlink:type="simple" xlink:href="hwkn-20250330.xsd#SegmentInformationDetails"/>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/SegmentInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_5dd0581c-2e1b-4179-94e3-9c089d00f357" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_f2812474-3b3a-4ebe-980e-4e44dfd42949" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_5dd0581c-2e1b-4179-94e3-9c089d00f357" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_f2812474-3b3a-4ebe-980e-4e44dfd42949" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_591347a5-74d5-459e-87bc-7a7f361cbf15" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_f2812474-3b3a-4ebe-980e-4e44dfd42949" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_591347a5-74d5-459e-87bc-7a7f361cbf15" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_591347a5-74d5-459e-87bc-7a7f361cbf15_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_591347a5-74d5-459e-87bc-7a7f361cbf15" xlink:to="loc_us-gaap_SegmentDomain_591347a5-74d5-459e-87bc-7a7f361cbf15_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_abaecf35-7346-437d-bc73-bc634082f785" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_591347a5-74d5-459e-87bc-7a7f361cbf15" xlink:to="loc_us-gaap_SegmentDomain_abaecf35-7346-437d-bc73-bc634082f785" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_IndustrialMember_c891c409-f401-4d4c-873a-1f54394ebb49" xlink:href="hwkn-20250330.xsd#hwkn_IndustrialMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_abaecf35-7346-437d-bc73-bc634082f785" xlink:to="loc_hwkn_IndustrialMember_c891c409-f401-4d4c-873a-1f54394ebb49" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_WaterTreatmentMember_1a593953-0e57-4808-8f34-12b02c09a062" xlink:href="hwkn-20250330.xsd#hwkn_WaterTreatmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_abaecf35-7346-437d-bc73-bc634082f785" xlink:to="loc_hwkn_WaterTreatmentMember_1a593953-0e57-4808-8f34-12b02c09a062" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_HealthandNutritionMember_e0562151-52dc-4d22-9efa-0eb74bec65e3" xlink:href="hwkn-20250330.xsd#hwkn_HealthandNutritionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_abaecf35-7346-437d-bc73-bc634082f785" xlink:to="loc_hwkn_HealthandNutritionMember_e0562151-52dc-4d22-9efa-0eb74bec65e3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_IdentifiableMember_e7c080e8-d573-4151-915c-a91050629a51" xlink:href="hwkn-20250330.xsd#hwkn_IdentifiableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_abaecf35-7346-437d-bc73-bc634082f785" xlink:to="loc_hwkn_IdentifiableMember_e7c080e8-d573-4151-915c-a91050629a51" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_UnallocatedMember_8af2ab4e-3673-414f-bc58-e8e096a1f814" xlink:href="hwkn-20250330.xsd#hwkn_UnallocatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_abaecf35-7346-437d-bc73-bc634082f785" xlink:to="loc_hwkn_UnallocatedMember_8af2ab4e-3673-414f-bc58-e8e096a1f814" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationAdditionalInformationAbstract_4e7517d9-5740-41e5-979d-e4e48a9f2070" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentReportingInformationAdditionalInformationAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_5dd0581c-2e1b-4179-94e3-9c089d00f357" xlink:to="loc_us-gaap_SegmentReportingInformationAdditionalInformationAbstract_4e7517d9-5740-41e5-979d-e4e48a9f2070" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_96bc6df7-cbf4-4b81-85ad-3b5278b0e79d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationAdditionalInformationAbstract_4e7517d9-5740-41e5-979d-e4e48a9f2070" xlink:to="loc_us-gaap_Revenues_96bc6df7-cbf4-4b81-85ad-3b5278b0e79d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostDirectMaterial_b37a54c0-005d-4c5a-9443-aac411ce2b9c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostDirectMaterial"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationAdditionalInformationAbstract_4e7517d9-5740-41e5-979d-e4e48a9f2070" xlink:to="loc_us-gaap_CostDirectMaterial_b37a54c0-005d-4c5a-9443-aac411ce2b9c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSoldOverhead_4111b46f-5114-4b62-8270-898f3204ab23" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfGoodsAndServicesSoldOverhead"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationAdditionalInformationAbstract_4e7517d9-5740-41e5-979d-e4e48a9f2070" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSoldOverhead_4111b46f-5114-4b62-8270-898f3204ab23" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_7b36ea2e-f795-45a0-8d33-8b50f39f1fe1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GrossProfit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationAdditionalInformationAbstract_4e7517d9-5740-41e5-979d-e4e48a9f2070" xlink:to="loc_us-gaap_GrossProfit_7b36ea2e-f795-45a0-8d33-8b50f39f1fe1" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_953cb139-71e5-418d-a06e-bb59bcd70381" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationAdditionalInformationAbstract_4e7517d9-5740-41e5-979d-e4e48a9f2070" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_953cb139-71e5-418d-a06e-bb59bcd70381" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_41a6f03f-0c58-4be0-b104-bbd9e16378a5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationAdditionalInformationAbstract_4e7517d9-5740-41e5-979d-e4e48a9f2070" xlink:to="loc_us-gaap_OperatingIncomeLoss_41a6f03f-0c58-4be0-b104-bbd9e16378a5" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_SegmentAssetsIdentifiableAssets_7d38f1f2-4bdd-4442-9323-6cdbd6994c36" xlink:href="hwkn-20250330.xsd#hwkn_SegmentAssetsIdentifiableAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationAdditionalInformationAbstract_4e7517d9-5740-41e5-979d-e4e48a9f2070" xlink:to="loc_hwkn_SegmentAssetsIdentifiableAssets_7d38f1f2-4bdd-4442-9323-6cdbd6994c36" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_eec0ac91-7219-4e29-88fd-51b8e9ba1fb9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationAdditionalInformationAbstract_4e7517d9-5740-41e5-979d-e4e48a9f2070" xlink:to="loc_us-gaap_Assets_eec0ac91-7219-4e29-88fd-51b8e9ba1fb9" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_2f666fe4-84d4-4d24-bc47-dd14b99effbe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationAdditionalInformationAbstract_4e7517d9-5740-41e5-979d-e4e48a9f2070" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_2f666fe4-84d4-4d24-bc47-dd14b99effbe" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentExpenditureAdditionToLongLivedAssets_6d2cc1a6-d0ba-4d78-8ab8-787dffeffd15" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentExpenditureAdditionToLongLivedAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationAdditionalInformationAbstract_4e7517d9-5740-41e5-979d-e4e48a9f2070" xlink:to="loc_us-gaap_SegmentExpenditureAdditionToLongLivedAssets_6d2cc1a6-d0ba-4d78-8ab8-787dffeffd15" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_aed6b672-f8aa-4519-ad16-867474aa10cf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationAdditionalInformationAbstract_4e7517d9-5740-41e5-979d-e4e48a9f2070" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_aed6b672-f8aa-4519-ad16-867474aa10cf" xlink:type="arc" order="11"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/SegmentInformationTextualDetails" xlink:type="simple" xlink:href="hwkn-20250330.xsd#SegmentInformationTextualDetails"/>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/SegmentInformationTextualDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_4751bdf2-2fa1-4f7f-a9d8-078e25dc654b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_4b3b6521-c8f4-4e32-8fb8-9cd4f059d23d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_4751bdf2-2fa1-4f7f-a9d8-078e25dc654b" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_4b3b6521-c8f4-4e32-8fb8-9cd4f059d23d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_596b053f-6563-4911-9411-c866123895ab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_4b3b6521-c8f4-4e32-8fb8-9cd4f059d23d" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_596b053f-6563-4911-9411-c866123895ab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_596b053f-6563-4911-9411-c866123895ab_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_596b053f-6563-4911-9411-c866123895ab" xlink:to="loc_us-gaap_SegmentDomain_596b053f-6563-4911-9411-c866123895ab_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_e86d768a-b556-4333-a307-e0b97c41a81c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_596b053f-6563-4911-9411-c866123895ab" xlink:to="loc_us-gaap_SegmentDomain_e86d768a-b556-4333-a307-e0b97c41a81c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_IndustrialMember_81d8e80e-839e-45a6-8f2f-19d9cce961ec" xlink:href="hwkn-20250330.xsd#hwkn_IndustrialMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_e86d768a-b556-4333-a307-e0b97c41a81c" xlink:to="loc_hwkn_IndustrialMember_81d8e80e-839e-45a6-8f2f-19d9cce961ec" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_WaterTreatmentMember_98db6185-b8da-4485-8da2-30092d46c770" xlink:href="hwkn-20250330.xsd#hwkn_WaterTreatmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_e86d768a-b556-4333-a307-e0b97c41a81c" xlink:to="loc_hwkn_WaterTreatmentMember_98db6185-b8da-4485-8da2-30092d46c770" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_HealthandNutritionMember_8d39e13f-eea4-4409-a8a5-121bbb65a024" xlink:href="hwkn-20250330.xsd#hwkn_HealthandNutritionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_e86d768a-b556-4333-a307-e0b97c41a81c" xlink:to="loc_hwkn_HealthandNutritionMember_8d39e13f-eea4-4409-a8a5-121bbb65a024" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfReportableSegments_1d2ff072-9641-446b-82c9-cbaccee26cf4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NumberOfReportableSegments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_4751bdf2-2fa1-4f7f-a9d8-078e25dc654b" xlink:to="loc_us-gaap_NumberOfReportableSegments_1d2ff072-9641-446b-82c9-cbaccee26cf4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_IntersegmentSales_7df0c9be-07df-4eda-9f21-c922cda30236" xlink:href="hwkn-20250330.xsd#hwkn_IntersegmentSales"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_4751bdf2-2fa1-4f7f-a9d8-078e25dc654b" xlink:to="loc_hwkn_IntersegmentSales_7df0c9be-07df-4eda-9f21-c922cda30236" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_NumberOfOperatingSegmentsAggregated_bf1cfb83-440b-4aaa-83fc-8d2f5154913c" xlink:href="hwkn-20250330.xsd#hwkn_NumberOfOperatingSegmentsAggregated"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_4751bdf2-2fa1-4f7f-a9d8-078e25dc654b" xlink:to="loc_hwkn_NumberOfOperatingSegmentsAggregated_bf1cfb83-440b-4aaa-83fc-8d2f5154913c" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/SubsequentEventsDetails" xlink:type="simple" xlink:href="hwkn-20250330.xsd#SubsequentEventsDetails"/>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/SubsequentEventsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionLineItems_0aadd477-3588-4143-8309-51dcef7ad818" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionTable_bd26631b-0285-4979-8f8a-6f4b3d625f60" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_0aadd477-3588-4143-8309-51dcef7ad818" xlink:to="loc_us-gaap_AssetAcquisitionTable_bd26631b-0285-4979-8f8a-6f4b3d625f60" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_1197cca1-eb94-4980-be96-465f08a1a5ad" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_bd26631b-0285-4979-8f8a-6f4b3d625f60" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_1197cca1-eb94-4980-be96-465f08a1a5ad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_1197cca1-eb94-4980-be96-465f08a1a5ad_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_1197cca1-eb94-4980-be96-465f08a1a5ad" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_1197cca1-eb94-4980-be96-465f08a1a5ad_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_299eb423-050f-47f5-83d8-acb6118345dc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_1197cca1-eb94-4980-be96-465f08a1a5ad" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_299eb423-050f-47f5-83d8-acb6118345dc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_WaterSurplusMember_734e556c-8065-492e-9ac0-3bb0d0266b8b" xlink:href="hwkn-20250330.xsd#hwkn_WaterSurplusMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_299eb423-050f-47f5-83d8-acb6118345dc" xlink:to="loc_hwkn_WaterSurplusMember_734e556c-8065-492e-9ac0-3bb0d0266b8b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_7fbf595d-d6df-4228-a3d3-278a6f67f74f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_bd26631b-0285-4979-8f8a-6f4b3d625f60" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_7fbf595d-d6df-4228-a3d3-278a6f67f74f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_7fbf595d-d6df-4228-a3d3-278a6f67f74f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_7fbf595d-d6df-4228-a3d3-278a6f67f74f" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_7fbf595d-d6df-4228-a3d3-278a6f67f74f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_2dd5a8e4-b916-4f7a-9bbf-efa65759ed6a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_7fbf595d-d6df-4228-a3d3-278a6f67f74f" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_2dd5a8e4-b916-4f7a-9bbf-efa65759ed6a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_37cd08b6-7d90-438f-a0a1-dbfaab41968f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_2dd5a8e4-b916-4f7a-9bbf-efa65759ed6a" xlink:to="loc_us-gaap_SubsequentEventMember_37cd08b6-7d90-438f-a0a1-dbfaab41968f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_45e7f1df-86e9-48c9-b380-4fb394fe2efd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_0aadd477-3588-4143-8309-51dcef7ad818" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_45e7f1df-86e9-48c9-b380-4fb394fe2efd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_RevolvingLoanFacilityLetterofCredit_ca11753f-9668-4a0c-bb52-185eaf23f35b" xlink:href="hwkn-20250330.xsd#hwkn_RevolvingLoanFacilityLetterofCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_0aadd477-3588-4143-8309-51dcef7ad818" xlink:to="loc_hwkn_RevolvingLoanFacilityLetterofCredit_ca11753f-9668-4a0c-bb52-185eaf23f35b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_hwkn_RevolvingLoanFacilitySwinglineSubfacility_3601d5f2-a8bb-4394-9942-1c9b96a8e218" xlink:href="hwkn-20250330.xsd#hwkn_RevolvingLoanFacilitySwinglineSubfacility"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_0aadd477-3588-4143-8309-51dcef7ad818" xlink:to="loc_hwkn_RevolvingLoanFacilitySwinglineSubfacility_3601d5f2-a8bb-4394-9942-1c9b96a8e218" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_b5c447ca-44ef-4c6e-bc96-723da9c66fa2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireBusinessesGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_0aadd477-3588-4143-8309-51dcef7ad818" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_b5c447ca-44ef-4c6e-bc96-723da9c66fa2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_0b9a4ca6-c561-47bc-90b0-2f157b9a90aa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsOfDebtIssuanceCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_0aadd477-3588-4143-8309-51dcef7ad818" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_0b9a4ca6-c561-47bc-90b0-2f157b9a90aa" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_ff951466-81ff-446b-b6f3-43509b4ca648" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_0aadd477-3588-4143-8309-51dcef7ad818" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_ff951466-81ff-446b-b6f3-43509b4ca648" xlink:type="arc" order="5"/>
  </link:definitionLink>
</link:linkbase>
