

<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/BasisOfPresentation" xlink:href="hwkn-20170101.xsd#BasisOfPresentation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/BasisOfPresentationBasisOfPresentationDetails" xlink:href="hwkn-20170101.xsd#BasisOfPresentationBasisOfPresentationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/BusinessCombinations" xlink:href="hwkn-20170101.xsd#BusinessCombinations" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/BusinessCombinationsDetails" xlink:href="hwkn-20170101.xsd#BusinessCombinationsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/BusinessCombinationsDetailsProForma" xlink:href="hwkn-20170101.xsd#BusinessCombinationsDetailsProForma" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/BusinessCombinationsDetailsTextual" xlink:href="hwkn-20170101.xsd#BusinessCombinationsDetailsTextual" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/BusinessCombinationsTables" xlink:href="hwkn-20170101.xsd#BusinessCombinationsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/CondensedConsolidatedBalanceSheetsParentheticalUnaudited" xlink:href="hwkn-20170101.xsd#CondensedConsolidatedBalanceSheetsParentheticalUnaudited" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:href="hwkn-20170101.xsd#CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:href="hwkn-20170101.xsd#CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeUnaudited" xlink:href="hwkn-20170101.xsd#CondensedConsolidatedStatementsOfComprehensiveIncomeUnaudited" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/CondensedConsolidatedStatementsOfIncomeUnaudited" xlink:href="hwkn-20170101.xsd#CondensedConsolidatedStatementsOfIncomeUnaudited" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/Debt" xlink:href="hwkn-20170101.xsd#Debt" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/DebtDetails" xlink:href="hwkn-20170101.xsd#DebtDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/DebtTables" xlink:href="hwkn-20170101.xsd#DebtTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/DerivativeInstruments" xlink:href="hwkn-20170101.xsd#DerivativeInstruments" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/DerivativeInstrumentsDetails" xlink:href="hwkn-20170101.xsd#DerivativeInstrumentsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/DerivativeInstrumentsTables" xlink:href="hwkn-20170101.xsd#DerivativeInstrumentsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/DocumentAndEntityInformation" xlink:href="hwkn-20170101.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/EarningsPerShare" xlink:href="hwkn-20170101.xsd#EarningsPerShare" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/EarningsPerShareDetails" xlink:href="hwkn-20170101.xsd#EarningsPerShareDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/EarningsPerShareDetailsTextual" xlink:href="hwkn-20170101.xsd#EarningsPerShareDetailsTextual" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/EarningsPerShareTables" xlink:href="hwkn-20170101.xsd#EarningsPerShareTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/FairValueMeasurements" xlink:href="hwkn-20170101.xsd#FairValueMeasurements" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/FairValueMeasurementsDetails" xlink:href="hwkn-20170101.xsd#FairValueMeasurementsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/FairValueMeasurementsTables" xlink:href="hwkn-20170101.xsd#FairValueMeasurementsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/GoodwillAndIntangibleAssets" xlink:href="hwkn-20170101.xsd#GoodwillAndIntangibleAssets" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/GoodwillAndIntangibleAssetsDetails" xlink:href="hwkn-20170101.xsd#GoodwillAndIntangibleAssetsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/GoodwillAndIntangibleAssetsDetailsTextual" xlink:href="hwkn-20170101.xsd#GoodwillAndIntangibleAssetsDetailsTextual" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/GoodwillAndIntangibleAssetsTables" xlink:href="hwkn-20170101.xsd#GoodwillAndIntangibleAssetsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/IncomeTaxesDetails" xlink:href="hwkn-20170101.xsd#IncomeTaxesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/IncomeTaxesIncomeTaxes" xlink:href="hwkn-20170101.xsd#IncomeTaxesIncomeTaxes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/IncomeTaxesTables" xlink:href="hwkn-20170101.xsd#IncomeTaxesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/Inventories" xlink:href="hwkn-20170101.xsd#Inventories" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/InventoriesDetails" xlink:href="hwkn-20170101.xsd#InventoriesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/InventoriesDetailsTextual" xlink:href="hwkn-20170101.xsd#InventoriesDetailsTextual" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/InventoriesTables" xlink:href="hwkn-20170101.xsd#InventoriesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/LitigationCommitmentsAndContingencies" xlink:href="hwkn-20170101.xsd#LitigationCommitmentsAndContingencies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/LitigationCommitmentsAndContingenciesDetails" xlink:href="hwkn-20170101.xsd#LitigationCommitmentsAndContingenciesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/SegmentInformation" xlink:href="hwkn-20170101.xsd#SegmentInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/SegmentInformationDetails" xlink:href="hwkn-20170101.xsd#SegmentInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/SegmentInformationDetailsTextual" xlink:href="hwkn-20170101.xsd#SegmentInformationDetailsTextual" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/SegmentInformationTables" xlink:href="hwkn-20170101.xsd#SegmentInformationTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/ShareBasedCompensation" xlink:href="hwkn-20170101.xsd#ShareBasedCompensation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/ShareBasedCompensationDetails" xlink:href="hwkn-20170101.xsd#ShareBasedCompensationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/ShareBasedCompensationDetailsTextual" xlink:href="hwkn-20170101.xsd#ShareBasedCompensationDetailsTextual" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/ShareBasedCompensationTables" xlink:href="hwkn-20170101.xsd#ShareBasedCompensationTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/ShareRepurchaseProgram" xlink:href="hwkn-20170101.xsd#ShareRepurchaseProgram" xlink:type="simple" />
  <link:roleRef roleURI="http://www.hawkinsinc.com/role/ShareRepurchaseProgramDetails" xlink:href="hwkn-20170101.xsd#ShareRepurchaseProgramDetails" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" xlink:type="simple" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/BasisOfPresentation" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/BasisOfPresentationBasisOfPresentationDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/BusinessCombinations" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/BusinessCombinationsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_3F88A9EB8D7FCD4FA9CC157FC11E0D8D" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_AA076245F8DB59A11AF1157FC1180A6F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3F88A9EB8D7FCD4FA9CC157FC11E0D8D" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_AA076245F8DB59A11AF1157FC1180A6F" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_5587F512C9A3E2266928157FC11A32AB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_AA076245F8DB59A11AF1157FC1180A6F" xlink:to="loc_us-gaap_StatementScenarioAxis_5587F512C9A3E2266928157FC11A32AB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_9659279586136A880820157FC11BD6C5_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_5587F512C9A3E2266928157FC11A32AB" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_9659279586136A880820157FC11BD6C5_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_9659279586136A880820157FC11BD6C5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_5587F512C9A3E2266928157FC11A32AB" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_9659279586136A880820157FC11BD6C5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProFormaMember" xlink:label="loc_us-gaap_ProFormaMember_861323B4FA4E4DBC8C2A157FC11CFCF1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_9659279586136A880820157FC11BD6C5" xlink:to="loc_us-gaap_ProFormaMember_861323B4FA4E4DBC8C2A157FC11CFCF1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioActualMember" xlink:label="loc_us-gaap_ScenarioActualMember_157B0A2BB5600DEAC55B157FC11C1BF1" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_9659279586136A880820157FC11BD6C5" xlink:to="loc_us-gaap_ScenarioActualMember_157B0A2BB5600DEAC55B157FC11C1BF1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioAdjustmentMember" xlink:label="loc_us-gaap_ScenarioAdjustmentMember_674919C3A11A4AE694C0157FC11C3480" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_9659279586136A880820157FC11BD6C5" xlink:to="loc_us-gaap_ScenarioAdjustmentMember_674919C3A11A4AE694C0157FC11C3480" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_79D290106016C63D9B0F157FC11CF078" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_AA076245F8DB59A11AF1157FC1180A6F" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_79D290106016C63D9B0F157FC11CF078" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_2FF22F34A505160DE1A5157FC11CE8DB_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_79D290106016C63D9B0F157FC11CF078" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_2FF22F34A505160DE1A5157FC11CE8DB_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_2FF22F34A505160DE1A5157FC11CE8DB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_79D290106016C63D9B0F157FC11CF078" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_2FF22F34A505160DE1A5157FC11CE8DB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="loc_us-gaap_CustomerRelationshipsMember_69FF311D2FFD81CE7B0E157FC11C559A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_2FF22F34A505160DE1A5157FC11CE8DB" xlink:to="loc_us-gaap_CustomerRelationshipsMember_69FF311D2FFD81CE7B0E157FC11C559A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NoncompeteAgreementsMember" xlink:label="loc_us-gaap_NoncompeteAgreementsMember_DB9D088621220809D39E157FC11C385D" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_2FF22F34A505160DE1A5157FC11CE8DB" xlink:to="loc_us-gaap_NoncompeteAgreementsMember_DB9D088621220809D39E157FC11C385D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TradeNamesMember" xlink:label="loc_us-gaap_TradeNamesMember_9E744BFE45AC96DA7A67157FC11D881F" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_2FF22F34A505160DE1A5157FC11CE8DB" xlink:to="loc_us-gaap_TradeNamesMember_9E744BFE45AC96DA7A67157FC11D881F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_5D8888A192E53FD33B6F157FC11D27C6" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_AA076245F8DB59A11AF1157FC1180A6F" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_5D8888A192E53FD33B6F157FC11D27C6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_64D04E95B5D4308C83A6157FC11D95B8_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_5D8888A192E53FD33B6F157FC11D27C6" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_64D04E95B5D4308C83A6157FC11D95B8_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_64D04E95B5D4308C83A6157FC11D95B8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_5D8888A192E53FD33B6F157FC11D27C6" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_64D04E95B5D4308C83A6157FC11D95B8" xlink:type="arc" />
    <link:loc xlink:href="hwkn-20170101.xsd#hwkn_StauberPerformanceIngredientsMember" xlink:label="loc_hwkn_StauberPerformanceIngredientsMember_9831CED7E201762C4307157FC11DD74F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_64D04E95B5D4308C83A6157FC11D95B8" xlink:to="loc_hwkn_StauberPerformanceIngredientsMember_9831CED7E201762C4307157FC11DD74F" xlink:type="arc" />
    <link:loc xlink:href="hwkn-20170101.xsd#hwkn_DavisSupplyInc.Member" xlink:label="loc_hwkn_DavisSupplyInc.Member_E51B93B74F239D01B693157FC11D9BB3" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_64D04E95B5D4308C83A6157FC11D95B8" xlink:to="loc_hwkn_DavisSupplyInc.Member_E51B93B74F239D01B693157FC11D9BB3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_ED053890E904F3C75599157FC11ED51C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3F88A9EB8D7FCD4FA9CC157FC11E0D8D" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_ED053890E904F3C75599157FC11ED51C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_18D54C0739E1140FCAA4157FC11FEDDC" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3F88A9EB8D7FCD4FA9CC157FC11E0D8D" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_18D54C0739E1140FCAA4157FC11FEDDC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_2AA13D58AEEB2A7E2471157FC11F7EB9" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3F88A9EB8D7FCD4FA9CC157FC11E0D8D" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_2AA13D58AEEB2A7E2471157FC11F7EB9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_DA8530D1FBC288C89C79157FC11F5DD9" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3F88A9EB8D7FCD4FA9CC157FC11E0D8D" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_DA8530D1FBC288C89C79157FC11F5DD9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_B5B6F97D243EDE66CA16157FC120CBB7" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3F88A9EB8D7FCD4FA9CC157FC11E0D8D" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_B5B6F97D243EDE66CA16157FC120CBB7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_6BF0AD69FBD8F4FC36FA157FC120EC6B" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3F88A9EB8D7FCD4FA9CC157FC11E0D8D" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_6BF0AD69FBD8F4FC36FA157FC120EC6B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_8CA1D945D482FDC9A58A157FC1204DDF" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3F88A9EB8D7FCD4FA9CC157FC11E0D8D" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_8CA1D945D482FDC9A58A157FC1204DDF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_3A5D4E11CAEDDAA057AF157FC1203E69" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3F88A9EB8D7FCD4FA9CC157FC11E0D8D" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_3A5D4E11CAEDDAA057AF157FC1203E69" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesNoncurrent_8AC5A1070FC1BA4EEA45157FC12048A0" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3F88A9EB8D7FCD4FA9CC157FC11E0D8D" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesNoncurrent_8AC5A1070FC1BA4EEA45157FC12048A0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_CFFD21EAD7FE7458F040157FC120EF4E" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3F88A9EB8D7FCD4FA9CC157FC11E0D8D" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_CFFD21EAD7FE7458F040157FC120EF4E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_928504D515427D1B4863157FC120A5AF" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3F88A9EB8D7FCD4FA9CC157FC11E0D8D" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_928504D515427D1B4863157FC120A5AF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_1C6232C085C13EC1CC6F157FC121A4A2" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3F88A9EB8D7FCD4FA9CC157FC11E0D8D" xlink:to="loc_us-gaap_Goodwill_1C6232C085C13EC1CC6F157FC121A4A2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_2329DD138AA5BBC6B214157FC1215A60" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3F88A9EB8D7FCD4FA9CC157FC11E0D8D" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_2329DD138AA5BBC6B214157FC1215A60" xlink:type="arc" />
    <link:loc xlink:href="hwkn-20170101.xsd#hwkn_LessAcquiredCash" xlink:label="loc_hwkn_LessAcquiredCash_B6B4D43525FB81C37A1E157FC121CFA3" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3F88A9EB8D7FCD4FA9CC157FC11E0D8D" xlink:to="loc_hwkn_LessAcquiredCash_B6B4D43525FB81C37A1E157FC121CFA3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_2705D82AEB524518FDA8157FC121F3EE" xlink:type="locator" />
    <link:definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3F88A9EB8D7FCD4FA9CC157FC11E0D8D" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_2705D82AEB524518FDA8157FC121F3EE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalents" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalents_849C963F52AB8619CD6A157FC121BA60" xlink:type="locator" />
    <link:definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3F88A9EB8D7FCD4FA9CC157FC11E0D8D" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalents_849C963F52AB8619CD6A157FC121BA60" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/BusinessCombinationsDetailsProForma" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems_C7CFB7BA310CEC7E0EF79C52E02DD0AE" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTable" xlink:label="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTable_D98B349F27D2E5269C3A9C52E02C89BF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems_C7CFB7BA310CEC7E0EF79C52E02DD0AE" xlink:to="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTable_D98B349F27D2E5269C3A9C52E02C89BF" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_A83B1A13636A7B0087D19C52E02CAADD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTable_D98B349F27D2E5269C3A9C52E02C89BF" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_A83B1A13636A7B0087D19C52E02CAADD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_33CA7A4221DC73EE5B3E9C52E02C6B68_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_A83B1A13636A7B0087D19C52E02CAADD" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_33CA7A4221DC73EE5B3E9C52E02C6B68_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_33CA7A4221DC73EE5B3E9C52E02C6B68" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_A83B1A13636A7B0087D19C52E02CAADD" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_33CA7A4221DC73EE5B3E9C52E02C6B68" xlink:type="arc" />
    <link:loc xlink:href="hwkn-20170101.xsd#hwkn_StauberPerformanceIngredientsMember" xlink:label="loc_hwkn_StauberPerformanceIngredientsMember_A11B78C3DBA1D3A5CB279C52E02C045A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_33CA7A4221DC73EE5B3E9C52E02C6B68" xlink:to="loc_hwkn_StauberPerformanceIngredientsMember_A11B78C3DBA1D3A5CB279C52E02C045A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_160E80222934E01AA06B9C52E02C00B5" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTable_D98B349F27D2E5269C3A9C52E02C89BF" xlink:to="loc_us-gaap_StatementScenarioAxis_160E80222934E01AA06B9C52E02C00B5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_1F1F597975F82D67A36A9C52E02C45AB_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_160E80222934E01AA06B9C52E02C00B5" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_1F1F597975F82D67A36A9C52E02C45AB_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_1F1F597975F82D67A36A9C52E02C45AB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_160E80222934E01AA06B9C52E02C00B5" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_1F1F597975F82D67A36A9C52E02C45AB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioActualMember" xlink:label="loc_us-gaap_ScenarioActualMember_BB8B49212EC664232DAB9C52E02C9AE7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_1F1F597975F82D67A36A9C52E02C45AB" xlink:to="loc_us-gaap_ScenarioActualMember_BB8B49212EC664232DAB9C52E02C9AE7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioAdjustmentMember" xlink:label="loc_us-gaap_ScenarioAdjustmentMember_6BDFEED56421DCA96CAE9C52E02C4C23" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_1F1F597975F82D67A36A9C52E02C45AB" xlink:to="loc_us-gaap_ScenarioAdjustmentMember_6BDFEED56421DCA96CAE9C52E02C4C23" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProFormaMember" xlink:label="loc_us-gaap_ProFormaMember_FA0E3DCAD334587441109C52E02DA5A3" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_1F1F597975F82D67A36A9C52E02C45AB" xlink:to="loc_us-gaap_ProFormaMember_FA0E3DCAD334587441109C52E02DA5A3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NonrecurringAdjustmentAxis" xlink:label="loc_us-gaap_NonrecurringAdjustmentAxis_639E86C0DF5408D77D169C52E02D6D87" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTable_D98B349F27D2E5269C3A9C52E02C89BF" xlink:to="loc_us-gaap_NonrecurringAdjustmentAxis_639E86C0DF5408D77D169C52E02D6D87" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NonrecurringAdjustmentDomain" xlink:label="loc_us-gaap_NonrecurringAdjustmentDomain_C83AD9CAF3CC695A31329C52E02D6033_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_NonrecurringAdjustmentAxis_639E86C0DF5408D77D169C52E02D6D87" xlink:to="loc_us-gaap_NonrecurringAdjustmentDomain_C83AD9CAF3CC695A31329C52E02D6033_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NonrecurringAdjustmentDomain" xlink:label="loc_us-gaap_NonrecurringAdjustmentDomain_C83AD9CAF3CC695A31329C52E02D6033" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_NonrecurringAdjustmentAxis_639E86C0DF5408D77D169C52E02D6D87" xlink:to="loc_us-gaap_NonrecurringAdjustmentDomain_C83AD9CAF3CC695A31329C52E02D6033" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaRevenue" xlink:label="loc_us-gaap_BusinessAcquisitionsProFormaRevenue_6A5DAB02CE2A9202622D9C52E02DF79C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems_C7CFB7BA310CEC7E0EF79C52E02DD0AE" xlink:to="loc_us-gaap_BusinessAcquisitionsProFormaRevenue_6A5DAB02CE2A9202622D9C52E02DF79C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss" xlink:label="loc_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_1A50D6A6E1208A1129039C52E02D34A3" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems_C7CFB7BA310CEC7E0EF79C52E02DD0AE" xlink:to="loc_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_1A50D6A6E1208A1129039C52E02D34A3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic" xlink:label="loc_us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic_06BE0ADC233A5AC1F3589C52E02D74FD" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems_C7CFB7BA310CEC7E0EF79C52E02DD0AE" xlink:to="loc_us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic_06BE0ADC233A5AC1F3589C52E02D74FD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted" xlink:label="loc_us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted_0311528718EF43E6B6CB9C52E02D44B8" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems_C7CFB7BA310CEC7E0EF79C52E02DD0AE" xlink:to="loc_us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted_0311528718EF43E6B6CB9C52E02D44B8" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/BusinessCombinationsDetailsTextual" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_1DC590141F1143858487157FBC44879A" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_25037D7308F1F25EFBAB157FBC441186" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_1DC590141F1143858487157FBC44879A" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_25037D7308F1F25EFBAB157FBC441186" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_5589319154EA486D8BAC157FBC447495" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_25037D7308F1F25EFBAB157FBC441186" xlink:to="loc_us-gaap_StatementScenarioAxis_5589319154EA486D8BAC157FBC447495" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_C146F98E9A16D8094FF8157FBC441869_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_5589319154EA486D8BAC157FBC447495" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_C146F98E9A16D8094FF8157FBC441869_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_C146F98E9A16D8094FF8157FBC441869" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_5589319154EA486D8BAC157FBC447495" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_C146F98E9A16D8094FF8157FBC441869" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProFormaMember" xlink:label="loc_us-gaap_ProFormaMember_3A6DD15CD28D8E4450B4157FBC44C2F5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_C146F98E9A16D8094FF8157FBC441869" xlink:to="loc_us-gaap_ProFormaMember_3A6DD15CD28D8E4450B4157FBC44C2F5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_D25282665DF28DEFF10A157FBC44BD58" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_25037D7308F1F25EFBAB157FBC441186" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_D25282665DF28DEFF10A157FBC44BD58" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_B743B07F6D54B371E068157FBC444D29_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_D25282665DF28DEFF10A157FBC44BD58" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_B743B07F6D54B371E068157FBC444D29_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_B743B07F6D54B371E068157FBC444D29" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_D25282665DF28DEFF10A157FBC44BD58" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_B743B07F6D54B371E068157FBC444D29" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="loc_us-gaap_CustomerRelationshipsMember_4DBA548F74C5CCCBFA38157FBC444EE0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_B743B07F6D54B371E068157FBC444D29" xlink:to="loc_us-gaap_CustomerRelationshipsMember_4DBA548F74C5CCCBFA38157FBC444EE0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NoncompeteAgreementsMember" xlink:label="loc_us-gaap_NoncompeteAgreementsMember_1BB09E417C39DB479489157FBC44741F" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_B743B07F6D54B371E068157FBC444D29" xlink:to="loc_us-gaap_NoncompeteAgreementsMember_1BB09E417C39DB479489157FBC44741F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OrderOrProductionBacklogMember" xlink:label="loc_us-gaap_OrderOrProductionBacklogMember_9152B9921513D9846350157FBC44E0E8" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_B743B07F6D54B371E068157FBC444D29" xlink:to="loc_us-gaap_OrderOrProductionBacklogMember_9152B9921513D9846350157FBC44E0E8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TradeNamesMember" xlink:label="loc_us-gaap_TradeNamesMember_1728C76F083F72D5A533157FBC440FB3" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_B743B07F6D54B371E068157FBC444D29" xlink:to="loc_us-gaap_TradeNamesMember_1728C76F083F72D5A533157FBC440FB3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_FBF40FB341EE9D62F240157FBC44D034" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_25037D7308F1F25EFBAB157FBC441186" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_FBF40FB341EE9D62F240157FBC44D034" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_B4DCFDCFBEDB7C5C5CEB157FBC4403FD_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_FBF40FB341EE9D62F240157FBC44D034" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_B4DCFDCFBEDB7C5C5CEB157FBC4403FD_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_B4DCFDCFBEDB7C5C5CEB157FBC4403FD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_FBF40FB341EE9D62F240157FBC44D034" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_B4DCFDCFBEDB7C5C5CEB157FBC4403FD" xlink:type="arc" />
    <link:loc xlink:href="hwkn-20170101.xsd#hwkn_StauberPerformanceIngredientsMember" xlink:label="loc_hwkn_StauberPerformanceIngredientsMember_EDBCB5AD06121614E76A157FBC44766C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_B4DCFDCFBEDB7C5C5CEB157FBC4403FD" xlink:to="loc_hwkn_StauberPerformanceIngredientsMember_EDBCB5AD06121614E76A157FBC44766C" xlink:type="arc" />
    <link:loc xlink:href="hwkn-20170101.xsd#hwkn_DavisSupplyInc.Member" xlink:label="loc_hwkn_DavisSupplyInc.Member_710C450BEE67CD49AD69157FBC449DFB" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_B4DCFDCFBEDB7C5C5CEB157FBC4403FD" xlink:to="loc_hwkn_DavisSupplyInc.Member_710C450BEE67CD49AD69157FBC449DFB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_10411DBCCB4A691D547B157FBC442272" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_25037D7308F1F25EFBAB157FBC441186" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_10411DBCCB4A691D547B157FBC442272" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_6D5666500023E656F764157FBC44017B_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_10411DBCCB4A691D547B157FBC442272" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_6D5666500023E656F764157FBC44017B_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_6D5666500023E656F764157FBC44017B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_10411DBCCB4A691D547B157FBC442272" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_6D5666500023E656F764157FBC44017B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_BA960D17BA497A60E8B5157FBC44DDBA" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_25037D7308F1F25EFBAB157FBC441186" xlink:to="loc_us-gaap_StatementClassOfStockAxis_BA960D17BA497A60E8B5157FBC44DDBA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_FEF8A07A38E3C83E77C2157FBC441F6B_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_BA960D17BA497A60E8B5157FBC44DDBA" xlink:to="loc_us-gaap_ClassOfStockDomain_FEF8A07A38E3C83E77C2157FBC441F6B_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_FEF8A07A38E3C83E77C2157FBC441F6B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_BA960D17BA497A60E8B5157FBC44DDBA" xlink:to="loc_us-gaap_ClassOfStockDomain_FEF8A07A38E3C83E77C2157FBC441F6B" xlink:type="arc" />
    <link:loc xlink:href="hwkn-20170101.xsd#hwkn_BusinessAcquisitionPreliminarypurchaseprice" xlink:label="loc_hwkn_BusinessAcquisitionPreliminarypurchaseprice_EB6B5A5FE37D6ADDC732157FBC445A76" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_1DC590141F1143858487157FBC44879A" xlink:to="loc_hwkn_BusinessAcquisitionPreliminarypurchaseprice_EB6B5A5FE37D6ADDC732157FBC445A76" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferred1" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_9815C0EC1C91D17C7A17157FBC441D3D" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_1DC590141F1143858487157FBC44879A" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferred1_9815C0EC1C91D17C7A17157FBC441D3D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_50C7C67EB08361D3C4EE157FBC44A490" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_1DC590141F1143858487157FBC44879A" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_50C7C67EB08361D3C4EE157FBC44A490" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesGross" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_5838CD2D76F84696FBAE157FBC44F240" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_1DC590141F1143858487157FBC44879A" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_5838CD2D76F84696FBAE157FBC44F240" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_E8D197668BB6B69F3A25157FBC447E08" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_1DC590141F1143858487157FBC44879A" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_E8D197668BB6B69F3A25157FBC447E08" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionRevenueReportedByAcquiredEntityForLastAnnualPeriod" xlink:label="loc_us-gaap_BusinessAcquisitionRevenueReportedByAcquiredEntityForLastAnnualPeriod_D388AD5100851E2A7572157FBC44ED11" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_1DC590141F1143858487157FBC44879A" xlink:to="loc_us-gaap_BusinessAcquisitionRevenueReportedByAcquiredEntityForLastAnnualPeriod_D388AD5100851E2A7572157FBC44ED11" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_4A66DB68CA1587BE0513157FBC441E40" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_1DC590141F1143858487157FBC44879A" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_4A66DB68CA1587BE0513157FBC441E40" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FinitelivedIntangibleAssetsAcquired1" xlink:label="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_4E72CD20301B2B2393C8157FBC44627C" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_1DC590141F1143858487157FBC44879A" xlink:to="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_4E72CD20301B2B2393C8157FBC44627C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationAcquisitionRelatedCosts" xlink:label="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_E6A557C730FDB2F15FC1158D57265665" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_1DC590141F1143858487157FBC44879A" xlink:to="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_E6A557C730FDB2F15FC1158D57265665" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_EFAA3AD32674EB48549B157FBC447701" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_1DC590141F1143858487157FBC44879A" xlink:to="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_EFAA3AD32674EB48549B157FBC447701" xlink:type="arc" />
    <link:loc xlink:href="hwkn-20170101.xsd#hwkn_Deferredtaxliabilityfornondeductibleintangibleamortizationexpense" xlink:label="loc_hwkn_Deferredtaxliabilityfornondeductibleintangibleamortizationexpense_2A0A6736BF3202EDF1CA157FBC44161B" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_1DC590141F1143858487157FBC44879A" xlink:to="loc_hwkn_Deferredtaxliabilityfornondeductibleintangibleamortizationexpense_2A0A6736BF3202EDF1CA157FBC44161B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod" xlink:label="loc_us-gaap_GoodwillAcquiredDuringPeriod_0CACACC4A4572BF71BB5157FBC445A62" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_1DC590141F1143858487157FBC44879A" xlink:to="loc_us-gaap_GoodwillAcquiredDuringPeriod_0CACACC4A4572BF71BB5157FBC445A62" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_900D280B32DF384D0FDC157FBC44273F" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_1DC590141F1143858487157FBC44879A" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_900D280B32DF384D0FDC157FBC44273F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromExtraordinaryItemsNetOfTaxPerDilutedShare" xlink:label="loc_us-gaap_IncomeLossFromExtraordinaryItemsNetOfTaxPerDilutedShare_AF590593B968E9179834157FBC44F9B5" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_1DC590141F1143858487157FBC44879A" xlink:to="loc_us-gaap_IncomeLossFromExtraordinaryItemsNetOfTaxPerDilutedShare_AF590593B968E9179834157FBC44F9B5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_A80636F1B72E3BB26754157FBC443436" xlink:type="locator" />
    <link:definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_1DC590141F1143858487157FBC44879A" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes_A80636F1B72E3BB26754157FBC443436" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/BusinessCombinationsTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_5F72F8CC0E16E7FB6A089C52DF9A0E7A" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_DAC5B53534568A3B0D299C52DF9968E2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_5F72F8CC0E16E7FB6A089C52DF9A0E7A" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_DAC5B53534568A3B0D299C52DF9968E2" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_EF39E4343A98501B40F89C52DF997C8A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_DAC5B53534568A3B0D299C52DF9968E2" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_EF39E4343A98501B40F89C52DF997C8A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_C5F626DFF88AB314C9879C52DF99BC01_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_EF39E4343A98501B40F89C52DF997C8A" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_C5F626DFF88AB314C9879C52DF99BC01_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_C5F626DFF88AB314C9879C52DF99BC01" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_EF39E4343A98501B40F89C52DF997C8A" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_C5F626DFF88AB314C9879C52DF99BC01" xlink:type="arc" />
    <link:loc xlink:href="hwkn-20170101.xsd#hwkn_StauberPerformanceIngredientsMember" xlink:label="loc_hwkn_StauberPerformanceIngredientsMember_7A604E0C980FD85AF6A49C52DF994AAB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_C5F626DFF88AB314C9879C52DF99BC01" xlink:to="loc_hwkn_StauberPerformanceIngredientsMember_7A604E0C980FD85AF6A49C52DF994AAB" xlink:type="arc" />
    <link:loc xlink:href="hwkn-20170101.xsd#hwkn_DavisSupplyInc.Member" xlink:label="loc_hwkn_DavisSupplyInc.Member_635665044B96593509A59C52DF99C215" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_C5F626DFF88AB314C9879C52DF99BC01" xlink:to="loc_hwkn_DavisSupplyInc.Member_635665044B96593509A59C52DF99C215" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_AD3EE154331BDF327AE69C52DF99F924" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_DAC5B53534568A3B0D299C52DF9968E2" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_AD3EE154331BDF327AE69C52DF99F924" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_41DFBF7FA9CF7F9B90FF9C52DF99B6E5_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_AD3EE154331BDF327AE69C52DF99F924" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_41DFBF7FA9CF7F9B90FF9C52DF99B6E5_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_41DFBF7FA9CF7F9B90FF9C52DF99B6E5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_AD3EE154331BDF327AE69C52DF99F924" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_41DFBF7FA9CF7F9B90FF9C52DF99B6E5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_69C59DCEC874823A67C89C52DF995ADF" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_DAC5B53534568A3B0D299C52DF9968E2" xlink:to="loc_us-gaap_StatementClassOfStockAxis_69C59DCEC874823A67C89C52DF995ADF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_5024913B3CCF8F1D82739C52DF993C38_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_69C59DCEC874823A67C89C52DF995ADF" xlink:to="loc_us-gaap_ClassOfStockDomain_5024913B3CCF8F1D82739C52DF993C38_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_5024913B3CCF8F1D82739C52DF993C38" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_69C59DCEC874823A67C89C52DF995ADF" xlink:to="loc_us-gaap_ClassOfStockDomain_5024913B3CCF8F1D82739C52DF993C38" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock_8BD499AAE5966ED618B19C52DF9A4FD7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_5F72F8CC0E16E7FB6A089C52DF9A0E7A" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock_8BD499AAE5966ED618B19C52DF9A4FD7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationTextBlock" xlink:label="loc_us-gaap_BusinessAcquisitionProFormaInformationTextBlock_163BAA831746AC798D389C52DF9A15E3" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_5F72F8CC0E16E7FB6A089C52DF9A0E7A" xlink:to="loc_us-gaap_BusinessAcquisitionProFormaInformationTextBlock_163BAA831746AC798D389C52DF9A15E3" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/CondensedConsolidatedBalanceSheetsParentheticalUnaudited" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeUnaudited" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/CondensedConsolidatedStatementsOfIncomeUnaudited" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/Debt" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/DebtDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_CB3D48A9226B1EB6C9E79C52E03E60BF" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_E825794675AF20FF3A459C52E03DCEF1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_CB3D48A9226B1EB6C9E79C52E03E60BF" xlink:to="loc_us-gaap_DebtInstrumentTable_E825794675AF20FF3A459C52E03DCEF1" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_D197BC7C8E993814B0369C52E03DB9BB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_E825794675AF20FF3A459C52E03DCEF1" xlink:to="loc_us-gaap_CreditFacilityAxis_D197BC7C8E993814B0369C52E03DB9BB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_987CFE0188EDB1B292CE9C52E03D7654_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_D197BC7C8E993814B0369C52E03DB9BB" xlink:to="loc_us-gaap_CreditFacilityDomain_987CFE0188EDB1B292CE9C52E03D7654_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_987CFE0188EDB1B292CE9C52E03D7654" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_D197BC7C8E993814B0369C52E03DB9BB" xlink:to="loc_us-gaap_CreditFacilityDomain_987CFE0188EDB1B292CE9C52E03D7654" xlink:type="arc" />
    <link:loc xlink:href="hwkn-20170101.xsd#hwkn_TermLoanMember" xlink:label="loc_hwkn_TermLoanMember_607503EBC5FA4F5EA0E39C52E03D6E15" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_987CFE0188EDB1B292CE9C52E03D7654" xlink:to="loc_hwkn_TermLoanMember_607503EBC5FA4F5EA0E39C52E03D6E15" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_8708CF54AE36920B65139C52E03ECAE8" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_987CFE0188EDB1B292CE9C52E03D7654" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_8708CF54AE36920B65139C52E03ECAE8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_F546DCCDE9F47ED917729C52E03EEA1A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_CB3D48A9226B1EB6C9E79C52E03E60BF" xlink:to="loc_us-gaap_LongTermDebt_F546DCCDE9F47ED917729C52E03EEA1A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnamortizedDebtIssuanceExpense" xlink:label="loc_us-gaap_UnamortizedDebtIssuanceExpense_11591805EACC3398F5719C52E03E63D4" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_CB3D48A9226B1EB6C9E79C52E03E60BF" xlink:to="loc_us-gaap_UnamortizedDebtIssuanceExpense_11591805EACC3398F5719C52E03E63D4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_748D336F80720149A6D59C52E03E3B41" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_CB3D48A9226B1EB6C9E79C52E03E60BF" xlink:to="loc_us-gaap_LongTermDebtCurrent_748D336F80720149A6D59C52E03E3B41" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_F610558A31D8CC326C589C52E03ECBE3" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_CB3D48A9226B1EB6C9E79C52E03E60BF" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_F610558A31D8CC326C589C52E03ECBE3" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/DebtTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/DerivativeInstruments" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/DerivativeInstrumentsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="loc_us-gaap_DerivativeLineItems_F070E7298A4CA45983B1D66B4367A055" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable_9C2B92BBEEA01F3AC65DD66B436765D5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_F070E7298A4CA45983B1D66B4367A055" xlink:to="loc_us-gaap_DerivativeTable_9C2B92BBEEA01F3AC65DD66B436765D5" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_5EE04948065E5D2F871AD66B4367B858" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_9C2B92BBEEA01F3AC65DD66B436765D5" xlink:to="loc_us-gaap_DebtInstrumentAxis_5EE04948065E5D2F871AD66B4367B858" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_70AD83AC3831951DA61ED66B4367FEEB_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_5EE04948065E5D2F871AD66B4367B858" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_70AD83AC3831951DA61ED66B4367FEEB_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_70AD83AC3831951DA61ED66B4367FEEB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_5EE04948065E5D2F871AD66B4367B858" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_70AD83AC3831951DA61ED66B4367FEEB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodOneMember" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodOneMember_07B8F1FEBFB791FB8196D66B4367A71A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_70AD83AC3831951DA61ED66B4367FEEB" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodOneMember_07B8F1FEBFB791FB8196D66B4367A71A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodTwoMember" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodTwoMember_038249FE35CDC17BEA35D66B436721DC" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_70AD83AC3831951DA61ED66B4367FEEB" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodTwoMember_038249FE35CDC17BEA35D66B436721DC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodThreeMember" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodThreeMember_5C919863B66E3A95DB26D66B4367CE9E" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_70AD83AC3831951DA61ED66B4367FEEB" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodThreeMember_5C919863B66E3A95DB26D66B4367CE9E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_5B33A51A0149B17EFD63D66B4367FE0B" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_9C2B92BBEEA01F3AC65DD66B436765D5" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_5B33A51A0149B17EFD63D66B4367FE0B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_87AF63509A5148469393D66B436799E5_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_5B33A51A0149B17EFD63D66B4367FE0B" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_87AF63509A5148469393D66B436799E5_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_87AF63509A5148469393D66B436799E5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_5B33A51A0149B17EFD63D66B4367FE0B" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_87AF63509A5148469393D66B436799E5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_1A132C71FA1C1A7E68D8D66B4367E0BA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_87AF63509A5148469393D66B436799E5" xlink:to="loc_us-gaap_InterestRateSwapMember_1A132C71FA1C1A7E68D8D66B4367E0BA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EnergyAxis" xlink:label="loc_us-gaap_EnergyAxis_96E6AA2A1754224B44E9D66B4367D6E7" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_9C2B92BBEEA01F3AC65DD66B436765D5" xlink:to="loc_us-gaap_EnergyAxis_96E6AA2A1754224B44E9D66B4367D6E7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EnergyDomain" xlink:label="loc_us-gaap_EnergyDomain_65BD875DCC8E27830738D66B4367572E_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_EnergyAxis_96E6AA2A1754224B44E9D66B4367D6E7" xlink:to="loc_us-gaap_EnergyDomain_65BD875DCC8E27830738D66B4367572E_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EnergyDomain" xlink:label="loc_us-gaap_EnergyDomain_65BD875DCC8E27830738D66B4367572E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_EnergyAxis_96E6AA2A1754224B44E9D66B4367D6E7" xlink:to="loc_us-gaap_EnergyDomain_65BD875DCC8E27830738D66B4367572E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_8EA526399FD26C13FC65D66B4367E1A2" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_9C2B92BBEEA01F3AC65DD66B436765D5" xlink:to="loc_us-gaap_VariableRateAxis_8EA526399FD26C13FC65D66B4367E1A2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_E28F6863EA38681B8549D66B4367479B_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_8EA526399FD26C13FC65D66B4367E1A2" xlink:to="loc_us-gaap_VariableRateDomain_E28F6863EA38681B8549D66B4367479B_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_E28F6863EA38681B8549D66B4367479B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_8EA526399FD26C13FC65D66B4367E1A2" xlink:to="loc_us-gaap_VariableRateDomain_E28F6863EA38681B8549D66B4367479B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeByNatureAxis" xlink:label="loc_us-gaap_DerivativeByNatureAxis_EFBF0FEAED8433D8CFBBD66B4367ABBF" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_9C2B92BBEEA01F3AC65DD66B436765D5" xlink:to="loc_us-gaap_DerivativeByNatureAxis_EFBF0FEAED8433D8CFBBD66B4367ABBF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="loc_us-gaap_DerivativeNameDomain_62B10BB71A758DC0A8A4D66B4367B258_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeByNatureAxis_EFBF0FEAED8433D8CFBBD66B4367ABBF" xlink:to="loc_us-gaap_DerivativeNameDomain_62B10BB71A758DC0A8A4D66B4367B258_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="loc_us-gaap_DerivativeNameDomain_62B10BB71A758DC0A8A4D66B4367B258" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeByNatureAxis_EFBF0FEAED8433D8CFBBD66B4367ABBF" xlink:to="loc_us-gaap_DerivativeNameDomain_62B10BB71A758DC0A8A4D66B4367B258" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PositionAxis" xlink:label="loc_us-gaap_PositionAxis_19F895EDD6681BB27F84D66B43672A00" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_9C2B92BBEEA01F3AC65DD66B436765D5" xlink:to="loc_us-gaap_PositionAxis_19F895EDD6681BB27F84D66B43672A00" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PositionDomain" xlink:label="loc_us-gaap_PositionDomain_DA4386FAFF4A59F81371D66B43679BF2_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PositionAxis_19F895EDD6681BB27F84D66B43672A00" xlink:to="loc_us-gaap_PositionDomain_DA4386FAFF4A59F81371D66B43679BF2_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PositionDomain" xlink:label="loc_us-gaap_PositionDomain_DA4386FAFF4A59F81371D66B43679BF2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PositionAxis_19F895EDD6681BB27F84D66B43672A00" xlink:to="loc_us-gaap_PositionDomain_DA4386FAFF4A59F81371D66B43679BF2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="loc_invest_DerivativeNotionalAmount_13CA7EBE2E1D862B047CD66B43670585" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_F070E7298A4CA45983B1D66B4367A055" xlink:to="loc_invest_DerivativeNotionalAmount_13CA7EBE2E1D862B047CD66B43670585" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsLossRecognizedInOtherComprehensiveIncomeEffectivePortion" xlink:label="loc_us-gaap_DerivativeInstrumentsLossRecognizedInOtherComprehensiveIncomeEffectivePortion_8316582AC25D78CB5B90D66B4367F3E0" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_F070E7298A4CA45983B1D66B4367A055" xlink:to="loc_us-gaap_DerivativeInstrumentsLossRecognizedInOtherComprehensiveIncomeEffectivePortion_8316582AC25D78CB5B90D66B4367F3E0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashFlowHedgeDerivativeInstrumentAssetsAtFairValue" xlink:label="loc_us-gaap_CashFlowHedgeDerivativeInstrumentAssetsAtFairValue_4402ECAE699CD68BF54DD66B43670E25" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_F070E7298A4CA45983B1D66B4367A055" xlink:to="loc_us-gaap_CashFlowHedgeDerivativeInstrumentAssetsAtFairValue_4402ECAE699CD68BF54DD66B43670E25" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/DerivativeInstrumentsTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/DocumentAndEntityInformation" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/EarningsPerShare" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/EarningsPerShareDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/EarningsPerShareDetailsTextual" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/EarningsPerShareTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/FairValueMeasurements" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/FairValueMeasurementsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_BFEBB539CC36950BB1B9AE7ED60F95E9" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_63408B8A674F355143DEAE7ED6097F88" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_BFEBB539CC36950BB1B9AE7ED60F95E9" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_63408B8A674F355143DEAE7ED6097F88" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_C5C3BC1128619ADF034CAE7ED6090CC8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_63408B8A674F355143DEAE7ED6097F88" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_C5C3BC1128619ADF034CAE7ED6090CC8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_AB83703D5DB0BD8414F5AE7ED6097C69_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_C5C3BC1128619ADF034CAE7ED6090CC8" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_AB83703D5DB0BD8414F5AE7ED6097C69_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_AB83703D5DB0BD8414F5AE7ED6097C69" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_C5C3BC1128619ADF034CAE7ED6090CC8" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_AB83703D5DB0BD8414F5AE7ED6097C69" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_4B46D24C2079F063D1D3AE7ED609C944" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_AB83703D5DB0BD8414F5AE7ED6097C69" xlink:to="loc_us-gaap_InterestRateSwapMember_4B46D24C2079F063D1D3AE7ED609C944" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_A3B26A4FDDF6F058369EAE7ED6096DD2" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_63408B8A674F355143DEAE7ED6097F88" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_A3B26A4FDDF6F058369EAE7ED6096DD2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_924F9EA8D9E239832F10AE7ED60943E2_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_A3B26A4FDDF6F058369EAE7ED6096DD2" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_924F9EA8D9E239832F10AE7ED60943E2_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_924F9EA8D9E239832F10AE7ED60943E2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_A3B26A4FDDF6F058369EAE7ED6096DD2" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_924F9EA8D9E239832F10AE7ED60943E2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_84AC4506F00CBB79216FAE7ED609166E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_924F9EA8D9E239832F10AE7ED60943E2" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_84AC4506F00CBB79216FAE7ED609166E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_91E24492ECF18D60E5E4AE7ED60AA907" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_924F9EA8D9E239832F10AE7ED60943E2" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_91E24492ECF18D60E5E4AE7ED60AA907" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_0C7B59BB0C4C59D1A056AE7ED60AAC22" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_924F9EA8D9E239832F10AE7ED60943E2" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_0C7B59BB0C4C59D1A056AE7ED60AAC22" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetsFairValueDisclosureRecurring" xlink:label="loc_us-gaap_AssetsFairValueDisclosureRecurring_C9AB53AF88D287CC0501AE99B96686F7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_BFEBB539CC36950BB1B9AE7ED60F95E9" xlink:to="loc_us-gaap_AssetsFairValueDisclosureRecurring_C9AB53AF88D287CC0501AE99B96686F7" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/FairValueMeasurementsTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/GoodwillAndIntangibleAssets" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/GoodwillAndIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_C23E8347810A4C4B8596159C8598CB39" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_93DFC934633D2D90C293159C859821E9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_C23E8347810A4C4B8596159C8598CB39" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_93DFC934633D2D90C293159C859821E9" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_245392FBB630A754CBDB159C8598352F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_93DFC934633D2D90C293159C859821E9" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_245392FBB630A754CBDB159C8598352F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_6B2EC79D2942D86890BB159C8598B18A_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_245392FBB630A754CBDB159C8598352F" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_6B2EC79D2942D86890BB159C8598B18A_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_6B2EC79D2942D86890BB159C8598B18A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_245392FBB630A754CBDB159C8598352F" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_6B2EC79D2942D86890BB159C8598B18A" xlink:type="arc" />
    <link:loc xlink:href="hwkn-20170101.xsd#hwkn_StauberPerformanceIngredientsMember" xlink:label="loc_hwkn_StauberPerformanceIngredientsMember_AAF8183CF167644FEFF4159C8598F15D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_6B2EC79D2942D86890BB159C8598B18A" xlink:to="loc_hwkn_StauberPerformanceIngredientsMember_AAF8183CF167644FEFF4159C8598F15D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="loc_us-gaap_CustomerRelationshipsMember_3E5EAB8E8E825CD31326159C85983429" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_6B2EC79D2942D86890BB159C8598B18A" xlink:to="loc_us-gaap_CustomerRelationshipsMember_3E5EAB8E8E825CD31326159C85983429" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_TrademarksMember" xlink:label="loc_us-gaap_TrademarksMember_4191076B03C739A5F8FB159C85988977" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_6B2EC79D2942D86890BB159C8598B18A" xlink:to="loc_us-gaap_TrademarksMember_4191076B03C739A5F8FB159C85988977" xlink:type="arc" />
    <link:loc xlink:href="hwkn-20170101.xsd#hwkn_OtherFiniteLifeIntangibleAssetsMember" xlink:label="loc_hwkn_OtherFiniteLifeIntangibleAssetsMember_35DA8F48E05CB7A1FB4F159C85982068" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_6B2EC79D2942D86890BB159C8598B18A" xlink:to="loc_hwkn_OtherFiniteLifeIntangibleAssetsMember_35DA8F48E05CB7A1FB4F159C85982068" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_7EF92D3F5C8C8FC029D2159C85980BB4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_C23E8347810A4C4B8596159C8598CB39" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_7EF92D3F5C8C8FC029D2159C85980BB4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_9BE77118D073D58B4CA0159C8598EFB0" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_C23E8347810A4C4B8596159C8598CB39" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_9BE77118D073D58B4CA0159C8598EFB0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_AB0EB2E3986F32846F46159C8598A571" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_C23E8347810A4C4B8596159C8598CB39" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_AB0EB2E3986F32846F46159C8598A571" xlink:type="arc" />
    <link:loc xlink:href="hwkn-20170101.xsd#hwkn_IndefiniteLivedIntangibleAssetsExcludingGoodwillGross" xlink:label="loc_hwkn_IndefiniteLivedIntangibleAssetsExcludingGoodwillGross_2DD53FC9F5966CC13369159C8598435E" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_C23E8347810A4C4B8596159C8598CB39" xlink:to="loc_hwkn_IndefiniteLivedIntangibleAssetsExcludingGoodwillGross_2DD53FC9F5966CC13369159C8598435E" xlink:type="arc" />
    <link:loc xlink:href="hwkn-20170101.xsd#hwkn_IndefiniteIntangibleAssetsAccumulatedAmortization" xlink:label="loc_hwkn_IndefiniteIntangibleAssetsAccumulatedAmortization_47EAF1A45E96800F4B63159C859871AC" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_C23E8347810A4C4B8596159C8598CB39" xlink:to="loc_hwkn_IndefiniteIntangibleAssetsAccumulatedAmortization_47EAF1A45E96800F4B63159C859871AC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_180CF8CC918D6B96DA80159C8598D432" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_C23E8347810A4C4B8596159C8598CB39" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_180CF8CC918D6B96DA80159C8598D432" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IntangibleAssetsGrossExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_BB9FF8E3F8A21181A7D8159C85980C02" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_C23E8347810A4C4B8596159C8598CB39" xlink:to="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_BB9FF8E3F8A21181A7D8159C85980C02" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_B126AE97F4DE29EA221C159C85984094" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_C23E8347810A4C4B8596159C8598CB39" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_B126AE97F4DE29EA221C159C85984094" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/GoodwillAndIntangibleAssetsDetailsTextual" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/GoodwillAndIntangibleAssetsTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/IncomeTaxesDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/IncomeTaxesIncomeTaxes" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/IncomeTaxesTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/Inventories" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/InventoriesDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/InventoriesDetailsTextual" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/InventoriesTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/LitigationCommitmentsAndContingencies" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/LitigationCommitmentsAndContingenciesDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/SegmentInformation" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/SegmentInformationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_A096717809E3851717279C52DF7EDE5C" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_5B52AE33E59600CE08B29C52DF7E0ABA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_A096717809E3851717279C52DF7EDE5C" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_5B52AE33E59600CE08B29C52DF7E0ABA" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_BE4621E9C30915E357CD9C52DF7E2A83" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_5B52AE33E59600CE08B29C52DF7E0ABA" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_BE4621E9C30915E357CD9C52DF7E2A83" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_FED87136165A7166306F9C52DF7E1FF3_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_BE4621E9C30915E357CD9C52DF7E2A83" xlink:to="loc_us-gaap_SegmentDomain_FED87136165A7166306F9C52DF7E1FF3_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_FED87136165A7166306F9C52DF7E1FF3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_BE4621E9C30915E357CD9C52DF7E2A83" xlink:to="loc_us-gaap_SegmentDomain_FED87136165A7166306F9C52DF7E1FF3" xlink:type="arc" />
    <link:loc xlink:href="hwkn-20170101.xsd#hwkn_IndustrialMember" xlink:label="loc_hwkn_IndustrialMember_0C4F4C26F585C5AC9E599C52DF7E22FC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_FED87136165A7166306F9C52DF7E1FF3" xlink:to="loc_hwkn_IndustrialMember_0C4F4C26F585C5AC9E599C52DF7E22FC" xlink:type="arc" />
    <link:loc xlink:href="hwkn-20170101.xsd#hwkn_WaterTreatmentMember" xlink:label="loc_hwkn_WaterTreatmentMember_215BCBF86A69799346969C52DF7EB5DE" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_FED87136165A7166306F9C52DF7E1FF3" xlink:to="loc_hwkn_WaterTreatmentMember_215BCBF86A69799346969C52DF7EB5DE" xlink:type="arc" />
    <link:loc xlink:href="hwkn-20170101.xsd#hwkn_HealthandNutritionMember" xlink:label="loc_hwkn_HealthandNutritionMember_55BBD4542622D7A40FF19C52DF7EC07F" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_FED87136165A7166306F9C52DF7E1FF3" xlink:to="loc_hwkn_HealthandNutritionMember_55BBD4542622D7A40FF19C52DF7EC07F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="loc_us-gaap_SalesRevenueNet_800CDA00528297A725E49C52DF7E08DE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_A096717809E3851717279C52DF7EDE5C" xlink:to="loc_us-gaap_SalesRevenueNet_800CDA00528297A725E49C52DF7E08DE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_9BE113742823FA0B69049C52DF7E677F" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_A096717809E3851717279C52DF7EDE5C" xlink:to="loc_us-gaap_GrossProfit_9BE113742823FA0B69049C52DF7E677F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_96D705DB41B0E4CFAB929C52DF7E73E2" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_A096717809E3851717279C52DF7EDE5C" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_96D705DB41B0E4CFAB929C52DF7E73E2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_9F014C2D1EA5ABE8EA969C52DF7FDBA5" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_A096717809E3851717279C52DF7EDE5C" xlink:to="loc_us-gaap_OperatingIncomeLoss_9F014C2D1EA5ABE8EA969C52DF7FDBA5" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/SegmentInformationDetailsTextual" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_4658BC84B2621A246499D64B73FE456D" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_A9DD922B91B9A0D8C82ED64A7AE62D46" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_4658BC84B2621A246499D64B73FE456D" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_A9DD922B91B9A0D8C82ED64A7AE62D46" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_A1FB39177A7D8C26149BD6B17914E09D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_A9DD922B91B9A0D8C82ED64A7AE62D46" xlink:to="loc_us-gaap_StatementScenarioAxis_A1FB39177A7D8C26149BD6B17914E09D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_E3B5AC979F34A15B1949D6B1792D6C9D_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_A1FB39177A7D8C26149BD6B17914E09D" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_E3B5AC979F34A15B1949D6B1792D6C9D_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_E3B5AC979F34A15B1949D6B1792D6C9D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_A1FB39177A7D8C26149BD6B17914E09D" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_E3B5AC979F34A15B1949D6B1792D6C9D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioActualMember" xlink:label="loc_us-gaap_ScenarioActualMember_27E371562EC7D1ABBF24D6BCFD1BD545" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_E3B5AC979F34A15B1949D6B1792D6C9D" xlink:to="loc_us-gaap_ScenarioActualMember_27E371562EC7D1ABBF24D6BCFD1BD545" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioPlanMember" xlink:label="loc_us-gaap_ScenarioPlanMember_255EAA5DFF4B907E650FD6DE26F4529E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_E3B5AC979F34A15B1949D6B1792D6C9D" xlink:to="loc_us-gaap_ScenarioPlanMember_255EAA5DFF4B907E650FD6DE26F4529E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_EE752F54F77B0DCDDD04D64A7AE62823" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_A9DD922B91B9A0D8C82ED64A7AE62D46" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_EE752F54F77B0DCDDD04D64A7AE62823" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_3794C8AB77326F33512CD64A7AE6AFE6_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_EE752F54F77B0DCDDD04D64A7AE62823" xlink:to="loc_us-gaap_SegmentDomain_3794C8AB77326F33512CD64A7AE6AFE6_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_3794C8AB77326F33512CD64A7AE6AFE6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_EE752F54F77B0DCDDD04D64A7AE62823" xlink:to="loc_us-gaap_SegmentDomain_3794C8AB77326F33512CD64A7AE6AFE6" xlink:type="arc" />
    <link:loc xlink:href="hwkn-20170101.xsd#hwkn_IndustrialMember" xlink:label="loc_hwkn_IndustrialMember_D49FDAC035DA1090A4D8D64A7AE64491" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_3794C8AB77326F33512CD64A7AE6AFE6" xlink:to="loc_hwkn_IndustrialMember_D49FDAC035DA1090A4D8D64A7AE64491" xlink:type="arc" />
    <link:loc xlink:href="hwkn-20170101.xsd#hwkn_WaterTreatmentMember" xlink:label="loc_hwkn_WaterTreatmentMember_DF02659686D13E9A5617D64A7AE63E00" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_3794C8AB77326F33512CD64A7AE6AFE6" xlink:to="loc_hwkn_WaterTreatmentMember_DF02659686D13E9A5617D64A7AE63E00" xlink:type="arc" />
    <link:loc xlink:href="hwkn-20170101.xsd#hwkn_HealthandNutritionMember" xlink:label="loc_hwkn_HealthandNutritionMember_CC77B01B2DF0CAA180F5D64A7AE61F73" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_3794C8AB77326F33512CD64A7AE6AFE6" xlink:to="loc_hwkn_HealthandNutritionMember_CC77B01B2DF0CAA180F5D64A7AE61F73" xlink:type="arc" />
    <link:loc xlink:href="hwkn-20170101.xsd#hwkn_Corporateexpensesallocatedtosegments" xlink:label="loc_hwkn_Corporateexpensesallocatedtosegments_B51CEB418D0DFCFB8C36D6A9BD087D21" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_4658BC84B2621A246499D64B73FE456D" xlink:to="loc_hwkn_Corporateexpensesallocatedtosegments_B51CEB418D0DFCFB8C36D6A9BD087D21" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/SegmentInformationTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/ShareBasedCompensation" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/ShareBasedCompensationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_E3A0FF5BDC63DCEBDEA99C52E008958C" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_6170E71B30672DAC53199C52E0088C5A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_E3A0FF5BDC63DCEBDEA99C52E008958C" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_6170E71B30672DAC53199C52E0088C5A" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_18597260E4B7C252B1349C52E008D489" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_6170E71B30672DAC53199C52E0088C5A" xlink:to="loc_us-gaap_AwardTypeAxis_18597260E4B7C252B1349C52E008D489" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8186B5F19AE81E2271289C52E0083828_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_18597260E4B7C252B1349C52E008D489" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8186B5F19AE81E2271289C52E0083828_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8186B5F19AE81E2271289C52E0083828" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_18597260E4B7C252B1349C52E008D489" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8186B5F19AE81E2271289C52E0083828" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PerformanceSharesMember" xlink:label="loc_us-gaap_PerformanceSharesMember_6F9503C6FBE440E3B1CC9C52E008FF5F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8186B5F19AE81E2271289C52E0083828" xlink:to="loc_us-gaap_PerformanceSharesMember_6F9503C6FBE440E3B1CC9C52E008FF5F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="loc_us-gaap_RestrictedStockMember_BA82C1B79BC7801824F49C52E0085A85" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8186B5F19AE81E2271289C52E0083828" xlink:to="loc_us-gaap_RestrictedStockMember_BA82C1B79BC7801824F49C52E0085A85" xlink:type="arc" />
    <link:loc xlink:href="hwkn-20170101.xsd#hwkn_RestrictedStockActivityAbstract" xlink:label="loc_hwkn_RestrictedStockActivityAbstract_564F4C88C8ADF30AEEDF9C52E00888F8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_E3A0FF5BDC63DCEBDEA99C52E008958C" xlink:to="loc_hwkn_RestrictedStockActivityAbstract_564F4C88C8ADF30AEEDF9C52E00888F8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_20661895E36F85013A779C52E00848DD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_hwkn_RestrictedStockActivityAbstract_564F4C88C8ADF30AEEDF9C52E00888F8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_20661895E36F85013A779C52E00848DD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_6CE0BB30C46F054906299C52E008D591" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_20661895E36F85013A779C52E00848DD" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_6CE0BB30C46F054906299C52E008D591" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_D2B9B34D0B16D109C5879C52E008D8EF" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_20661895E36F85013A779C52E00848DD" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_D2B9B34D0B16D109C5879C52E008D8EF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_0B411A4DCE441BF3873A9C52E0081ED4" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_20661895E36F85013A779C52E00848DD" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_0B411A4DCE441BF3873A9C52E0081ED4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_7BB2693674D404A978B09C52E009C1A5" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_hwkn_RestrictedStockActivityAbstract_564F4C88C8ADF30AEEDF9C52E00888F8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_7BB2693674D404A978B09C52E009C1A5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_6C5BF49233CA271A97B69C52E00E3083" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_7BB2693674D404A978B09C52E009C1A5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_6C5BF49233CA271A97B69C52E00E3083" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_275A2F6F6AA2DE2275999C52E00EE3B1" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_7BB2693674D404A978B09C52E009C1A5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_275A2F6F6AA2DE2275999C52E00EE3B1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_6C3E106394B862A912C19C52E00E102E" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_7BB2693674D404A978B09C52E009C1A5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_6C3E106394B862A912C19C52E00E102E" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/ShareBasedCompensationDetailsTextual" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_40375540A8151C4744A8D66B42B17540" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_FCC1A54BD8F78BCFE17AD66B42B16168" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_40375540A8151C4744A8D66B42B17540" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_FCC1A54BD8F78BCFE17AD66B42B16168" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_539B148E4CDC416585D8D66B42B118EF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_FCC1A54BD8F78BCFE17AD66B42B16168" xlink:to="loc_us-gaap_AwardTypeAxis_539B148E4CDC416585D8D66B42B118EF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E2AC3B994FC1589BBD14D66B42B135F4_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_539B148E4CDC416585D8D66B42B118EF" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E2AC3B994FC1589BBD14D66B42B135F4_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E2AC3B994FC1589BBD14D66B42B135F4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_539B148E4CDC416585D8D66B42B118EF" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E2AC3B994FC1589BBD14D66B42B135F4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PerformanceSharesMember" xlink:label="loc_us-gaap_PerformanceSharesMember_39F09E17E3D95E191C82D66B42B10E76" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E2AC3B994FC1589BBD14D66B42B135F4" xlink:to="loc_us-gaap_PerformanceSharesMember_39F09E17E3D95E191C82D66B42B10E76" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="loc_us-gaap_RestrictedStockMember_FB55CC89E263001C975FD66B42B164CC" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_E2AC3B994FC1589BBD14D66B42B135F4" xlink:to="loc_us-gaap_RestrictedStockMember_FB55CC89E263001C975FD66B42B164CC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_1781B19E2B1C9283C61DD66B42B1A6F6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_40375540A8151C4744A8D66B42B17540" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_1781B19E2B1C9283C61DD66B42B1A6F6" xlink:type="arc" />
    <link:loc xlink:href="hwkn-20170101.xsd#hwkn_RangeOfRestrictedStockToBeIssuedMinimum" xlink:label="loc_hwkn_RangeOfRestrictedStockToBeIssuedMinimum_218FDEC4B8DCADE1439DD66B42B1FF5F" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_40375540A8151C4744A8D66B42B17540" xlink:to="loc_hwkn_RangeOfRestrictedStockToBeIssuedMinimum_218FDEC4B8DCADE1439DD66B42B1FF5F" xlink:type="arc" />
    <link:loc xlink:href="hwkn-20170101.xsd#hwkn_RangeOfRestrictedStockToBeIssuedMaximum" xlink:label="loc_hwkn_RangeOfRestrictedStockToBeIssuedMaximum_25BFF0581096DA2E4E7ED66B42B187CC" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_40375540A8151C4744A8D66B42B17540" xlink:to="loc_hwkn_RangeOfRestrictedStockToBeIssuedMaximum_25BFF0581096DA2E4E7ED66B42B187CC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_004B507A1ECCF0455DC1D66B42B1DA5E" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_40375540A8151C4744A8D66B42B17540" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_004B507A1ECCF0455DC1D66B42B1DA5E" xlink:type="arc" />
    <link:loc xlink:href="hwkn-20170101.xsd#hwkn_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsOutstandingNumber" xlink:label="loc_hwkn_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsOutstandingNumber_CA2A1ED44F5B66FB9DFDD66B42B11B15" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_40375540A8151C4744A8D66B42B17540" xlink:to="loc_hwkn_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsOutstandingNumber_CA2A1ED44F5B66FB9DFDD66B42B11B15" xlink:type="arc" />
    <link:loc xlink:href="hwkn-20170101.xsd#hwkn_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_hwkn_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsOutstandingWeightedAverageExercisePrice_0C37EF3702A4FA22EFB4D66B42B1CB1A" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_40375540A8151C4744A8D66B42B17540" xlink:to="loc_hwkn_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsOutstandingWeightedAverageExercisePrice_0C37EF3702A4FA22EFB4D66B42B1CB1A" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/ShareBasedCompensationTables" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_ED07848E95E729B900AC9C52E09D2A29" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_EA1574FEF436507316C09C52E09D3FF5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_ED07848E95E729B900AC9C52E09D2A29" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_EA1574FEF436507316C09C52E09D3FF5" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_5B096085E536D83C7CB99C52E09D7777" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_EA1574FEF436507316C09C52E09D3FF5" xlink:to="loc_us-gaap_AwardTypeAxis_5B096085E536D83C7CB99C52E09D7777" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_653FC5E7705BA085B0489C52E09DBB08_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_5B096085E536D83C7CB99C52E09D7777" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_653FC5E7705BA085B0489C52E09DBB08_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_653FC5E7705BA085B0489C52E09DBB08" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_5B096085E536D83C7CB99C52E09D7777" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_653FC5E7705BA085B0489C52E09DBB08" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PerformanceSharesMember" xlink:label="loc_us-gaap_PerformanceSharesMember_3FF972DE2CCCC2E2AA3F9C52E09D5643" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_653FC5E7705BA085B0489C52E09DBB08" xlink:to="loc_us-gaap_PerformanceSharesMember_3FF972DE2CCCC2E2AA3F9C52E09D5643" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="loc_us-gaap_RestrictedStockMember_F64F1AE56DC2064FD8569C52E09D1D67" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_653FC5E7705BA085B0489C52E09DBB08" xlink:to="loc_us-gaap_RestrictedStockMember_F64F1AE56DC2064FD8569C52E09D1D67" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_948FC2F5C1B9F28DF2179C52E09DF38A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_ED07848E95E729B900AC9C52E09D2A29" xlink:to="loc_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_948FC2F5C1B9F28DF2179C52E09DF38A" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/ShareRepurchaseProgram" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.hawkinsinc.com/role/ShareRepurchaseProgramDetails" xlink:type="extended" />
</link:linkbase>