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      <link:roleType id="REVENUERECOGNITIONDisaggregationofRevenueDetails" roleURI="http://www.unfi.com/role/REVENUERECOGNITIONDisaggregationofRevenueDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="REVENUERECOGNITIONAccountsandNotesReceivableDetails" roleURI="http://www.unfi.com/role/REVENUERECOGNITIONAccountsandNotesReceivableDetails">
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      <link:roleType id="REVENUERECOGNITIONAllowanceforUncollectibleReceivablesDetails" roleURI="http://www.unfi.com/role/REVENUERECOGNITIONAllowanceforUncollectibleReceivablesDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="RESTRUCTURINGACQUISITIONANDINTEGRATIONRELATEDEXPENSESDetails" roleURI="http://www.unfi.com/role/RESTRUCTURINGACQUISITIONANDINTEGRATIONRELATEDEXPENSESDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="PROPERTYANDEQUIPMENTNETNarrativeDetails" roleURI="http://www.unfi.com/role/PROPERTYANDEQUIPMENTNETNarrativeDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="GOODWILLANDINTANGIBLEASSETSNETNarrativeDetails" roleURI="http://www.unfi.com/role/GOODWILLANDINTANGIBLEASSETSNETNarrativeDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="FAIRVALUEMEASUREMENTSOFFINANCIALINSTRUMENTSNarrativeDetails" roleURI="http://www.unfi.com/role/FAIRVALUEMEASUREMENTSOFFINANCIALINSTRUMENTSNarrativeDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="DERIVATIVESInterestRateSwapContractsDetails" roleURI="http://www.unfi.com/role/DERIVATIVESInterestRateSwapContractsDetails">
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      <link:roleType id="LONGTERMDEBTScheduleofLongtermDebtDetails_1" roleURI="http://www.unfi.com/role/LONGTERMDEBTScheduleofLongtermDebtDetails_1">
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="LONGTERMDEBTScheduleofLineofCreditFacilitiesDetails" roleURI="http://www.unfi.com/role/LONGTERMDEBTScheduleofLineofCreditFacilitiesDetails">
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      <link:roleType id="COMPREHENSIVEINCOMELOSSANDACCUMULATEDOTHERCOMPREHENSIVELOSSReclassificationoutofOtherComprehensiveLossDetails" roleURI="http://www.unfi.com/role/COMPREHENSIVEINCOMELOSSANDACCUMULATEDOTHERCOMPREHENSIVELOSSReclassificationoutofOtherComprehensiveLossDetails">
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        <link:usedOn>link:calculationLink</link:usedOn>
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  <xs:element id="unfi_A2018TermLoanFacility364dayTrancheMember" abstract="true" name="A2018TermLoanFacility364dayTrancheMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_BorrowingBaseEligibleAssetAxis" abstract="true" name="BorrowingBaseEligibleAssetAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="unfi_TermLoanFacilityTermBTrancheMember" abstract="true" name="TermLoanFacilityTermBTrancheMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_LongTermDebtInterestPayableYearTwo" abstract="false" name="LongTermDebtInterestPayableYearTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_OtherLongTermLiabilitiesMember" abstract="true" name="OtherLongTermLiabilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_MultiemployerPlanNumberofPlans" abstract="false" name="MultiemployerPlanNumberofPlans" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="unfi_LesseeOperatingLeaseLiabilityPaymentsDueExtensionOptionsReasonablyCertaintoBeExercised" abstract="false" name="LesseeOperatingLeaseLiabilityPaymentsDueExtensionOptionsReasonablyCertaintoBeExercised" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfInstallments" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfInstallments" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="unfi_GuarantorObligationsMaximumExposureDiscounted" abstract="false" name="GuarantorObligationsMaximumExposureDiscounted" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="unfi_FinanceLeaseNetLeaseObligationsYearFour" abstract="false" name="FinanceLeaseNetLeaseObligationsYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_LeaseRightofUseAsset" abstract="false" name="LeaseRightofUseAsset" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_FuelderivativeMember" abstract="true" name="FuelderivativeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_MultiemployerPlansCollectiveBargainingArrangementNumberOfCollectiveBargainingAgreementsCoveringEmployeesExpiredWithoutRenegotiated" abstract="false" name="MultiemployerPlansCollectiveBargainingArrangementNumberOfCollectiveBargainingAgreementsCoveringEmployeesExpiredWithoutRenegotiated" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="unfi_ConversionCostofSharesfromSupervaluPlantoReplacementAwardPlan" abstract="false" name="ConversionCostofSharesfromSupervaluPlantoReplacementAwardPlan" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="unfi_EquityClassifiedAwards" abstract="false" name="EquityClassifiedAwards" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_OtherCashFlowHedgesMember" abstract="true" name="OtherCashFlowHedgesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_MultiemployerPlansCollectiveBargainingArrangementNumberOfCollectiveBargainingAgreementsCoveringEmployeesScheduledtoExpire" abstract="false" name="MultiemployerPlansCollectiveBargainingArrangementNumberOfCollectiveBargainingAgreementsCoveringEmployeesScheduledtoExpire" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="unfi_ChainsMember" abstract="true" name="ChainsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
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  <xs:element id="unfi_WholeFoodsMarketMember" abstract="true" name="WholeFoodsMarketMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_SupervaluReplacementAwardsMember" abstract="true" name="SupervaluReplacementAwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_EffectofOnePercentDecreaseonFairValueofInterestRateFairValueHedgingInstruments" abstract="false" name="EffectofOnePercentDecreaseonFairValueofInterestRateFairValueHedgingInstruments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_RestrictedStockUnitsSupervaluReplacementAwardsAndPerformanceStockUnitsMember" abstract="true" name="RestrictedStockUnitsSupervaluReplacementAwardsAndPerformanceStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_MultiemployerPlanPensionNumberOfPlansWithoutFutureContributions" abstract="false" name="MultiemployerPlanPensionNumberOfPlansWithoutFutureContributions" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="unfi_ScheduleOfCollectiveBargainingAgreementDatesAndContributionsToEachPlanTableTableTextBlock" abstract="false" name="ScheduleOfCollectiveBargainingAgreementDatesAndContributionsToEachPlanTableTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="unfi_LongTermDebtInterestPayableYearFour" abstract="false" name="LongTermDebtInterestPayableYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_AuditorInfirmationAbstract" abstract="true" name="AuditorInfirmationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="unfi_MultiemployerPlansCollectiveBargainingArrangementNumberOfCollectiveBargainingAgreementsCoveringEmployeesExpired" abstract="false" name="MultiemployerPlansCollectiveBargainingArrangementNumberOfCollectiveBargainingAgreementsCoveringEmployeesExpired" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="unfi_FinanceLeaseNetLeaseObligationsYearThree" abstract="false" name="FinanceLeaseNetLeaseObligationsYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_DebtInstrumentUnusedBorrowingCapacityPercentageOfBorrowingBase" abstract="false" name="DebtInstrumentUnusedBorrowingCapacityPercentageOfBorrowingBase" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="unfi_RetirementPlanAgeAxis" abstract="true" name="RetirementPlanAgeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="unfi_MultiemployerPlansCollectiveBargainingArrangementNumberOfParticipants" abstract="false" name="MultiemployerPlansCollectiveBargainingArrangementNumberOfParticipants" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="unfi_LesseeNetOperatingLeaseObligationYearFive" abstract="false" name="LesseeNetOperatingLeaseObligationYearFive" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_LesseeNetOperatingLeaseObligationYearFour" abstract="false" name="LesseeNetOperatingLeaseObligationYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_InsuranceLiabilityDiscount" abstract="false" name="InsuranceLiabilityDiscount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_UfcwUnionsAndEmployersPensionPlanMember" abstract="true" name="UfcwUnionsAndEmployersPensionPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_InterestRateSwapDueOctober2220253Member" abstract="true" name="InterestRateSwapDueOctober2220253Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_AssetsandLiabilitiesLesseeTableTextBlock" abstract="false" name="AssetsandLiabilitiesLesseeTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="unfi_SelfInsuranceReserveReclassificationtoReceivables" abstract="false" name="SelfInsuranceReserveReclassificationtoReceivables" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_AccruedExpensesAndOtherCurrentLiabilitiesMember" abstract="true" name="AccruedExpensesAndOtherCurrentLiabilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_DefinedBenefitPlanHealthCareCostTrendRateAssumed" abstract="false" name="DefinedBenefitPlanHealthCareCostTrendRateAssumed" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="unfi_SaleLeasebackOfDistributionCenterMember" abstract="true" name="SaleLeasebackOfDistributionCenterMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
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  <xs:element id="unfi_FinanceLeaseNetLeaseObligationsYearOne" abstract="false" name="FinanceLeaseNetLeaseObligationsYearOne" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_MultiemployerPlanSignificantRedZoneStatusFundingPercentage" abstract="false" name="MultiemployerPlanSignificantRedZoneStatusFundingPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
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  <xs:element id="unfi_InterestRateSwapDueOctober3120241Member" abstract="true" name="InterestRateSwapDueOctober3120241Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_OtherRetailExpense" abstract="false" name="OtherRetailExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_ScheduleofSelfInsuranceReserveTableTextBlock" abstract="false" name="ScheduleofSelfInsuranceReserveTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="unfi_SelfInsuranceReserveRollforwardAbstractRollForward" abstract="true" name="SelfInsuranceReserveRollforwardAbstractRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="unfi_WholesaleSegmentMember" abstract="true" name="WholesaleSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_NumberOfCustomerChannels" abstract="false" name="NumberOfCustomerChannels" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="unfi_SUPERVALUMember" abstract="true" name="SUPERVALUMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_BorrowingBaseEligibleAssetDomain" abstract="true" name="BorrowingBaseEligibleAssetDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_MultiemployerPlanPensionNumberOfPlansWithdrawal" abstract="false" name="MultiemployerPlanPensionNumberOfPlansWithdrawal" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="unfi_WeightedAverageRemainingLeaseTermAbstract" abstract="true" name="WeightedAverageRemainingLeaseTermAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="unfi_MultiemployerPlansCollectiveBargainingArrangementNumberOfEmployeesExpireCollectiveBargainingAgreement" abstract="false" name="MultiemployerPlansCollectiveBargainingArrangementNumberOfEmployeesExpireCollectiveBargainingAgreement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="unfi_TermLoanFacilityMember" abstract="true" name="TermLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_LesseeNetOperatingLeaseObligationYearThree" abstract="false" name="LesseeNetOperatingLeaseObligationYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_SecuredOvernightFinancingRateSOFRMember" abstract="true" name="SecuredOvernightFinancingRateSOFRMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_FinanceLeaseNetLeaseObligationsYearTwo" abstract="false" name="FinanceLeaseNetLeaseObligationsYearTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_InterestRateSwapDueOctober2220254Member" abstract="true" name="InterestRateSwapDueOctober2220254Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_AccountsReceivableSaleAuthorizedAmount" abstract="false" name="AccountsReceivableSaleAuthorizedAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_MultiemployerPlansCollectiveBargainingArrangementNumberOfCollectiveBargainingAgreementsCoveredEmployees" abstract="false" name="MultiemployerPlansCollectiveBargainingArrangementNumberOfCollectiveBargainingAgreementsCoveredEmployees" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="unfi_RetirementPlanBeforeAge65Member" abstract="true" name="RetirementPlanBeforeAge65Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_DeferredTaxAssetsDisallowedInterestExpenseCarryforwardUtilized" abstract="false" name="DeferredTaxAssetsDisallowedInterestExpenseCarryforwardUtilized" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_InterestRateSwapDueOctober2220252Member" abstract="true" name="InterestRateSwapDueOctober2220252Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_NoncashInterestIncomeExpense" abstract="false" name="NoncashInterestIncomeExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_MultiemployerPlansPaymentPeriod" abstract="false" name="MultiemployerPlansPaymentPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="unfi_AllOtherMultiemployerPensionPlansMember" abstract="true" name="AllOtherMultiemployerPensionPlansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_NetIncomeAttributableToNoncontrollingInterests" abstract="false" name="NetIncomeAttributableToNoncontrollingInterests" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_GainLossOnSaleOfAssetsAndOtherAssetCharges" abstract="false" name="GainLossOnSaleOfAssetsAndOtherAssetCharges" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_Othersubleaseincomenet" abstract="false" name="Othersubleaseincomenet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_OtherComprehensiveIncomeLossDefinedBenefitPlanAmortizationOfNetActuarialLoss" abstract="false" name="OtherComprehensiveIncomeLossDefinedBenefitPlanAmortizationOfNetActuarialLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_MultiemployerPlanSignificantGreenZoneStatusFundingPercentage" abstract="false" name="MultiemployerPlanSignificantGreenZoneStatusFundingPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="unfi_OperatingLeaseIntangibleMember" abstract="true" name="OperatingLeaseIntangibleMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_EffectiveIncomeTaxRateReconciliationEnhancedInventoryDonationsAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationEnhancedInventoryDonationsAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_ForwardStartingInterestRateSwapMember" abstract="true" name="ForwardStartingInterestRateSwapMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_AdjustedEBITDA" abstract="false" name="AdjustedEBITDA" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_A2019PerformanceShareUnitsMember" abstract="true" name="A2019PerformanceShareUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_DebtInstrumentGuaranteesExceptionCarryingValueofOwnedRealProperty" abstract="false" name="DebtInstrumentGuaranteesExceptionCarryingValueofOwnedRealProperty" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_DebtInstrumentDebtPrepaymentPeriod" abstract="false" name="DebtInstrumentDebtPrepaymentPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="unfi_LongTermDebtInterestPayableYearOne" abstract="false" name="LongTermDebtInterestPayableYearOne" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_PrivateEquityFundsAndRealEstateMember" abstract="true" name="PrivateEquityFundsAndRealEstateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_InterestRateSwapDueOctober3120243Member" abstract="true" name="InterestRateSwapDueOctober3120243Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_OperatingLeasesNetLeaseObligationsAbstract" abstract="true" name="OperatingLeasesNetLeaseObligationsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="unfi_DeferredTaxAssetsNonLossTaxCarryforwards" abstract="false" name="DeferredTaxAssetsNonLossTaxCarryforwards" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_MultiemployerPlanWithdrawalCharges" abstract="false" name="MultiemployerPlanWithdrawalCharges" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_FinanceLeaseNetLeaseObligationsAfterYearFive" abstract="false" name="FinanceLeaseNetLeaseObligationsAfterYearFive" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_RetailSegmentMember" abstract="true" name="RetailSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_MinneapolisFoodDistributingIndustryPensionPlanMember" abstract="true" name="MinneapolisFoodDistributingIndustryPensionPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="unfi_MultiemployerPlanPPASurchargesonEligibleContributionsPercent" abstract="false" name="MultiemployerPlanPPASurchargesonEligibleContributionsPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="unfi_NumberOfGeographicRegions" abstract="false" name="NumberOfGeographicRegions" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="unfi_NumberOfUnionEmployees" abstract="false" name="NumberOfUnionEmployees" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
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  <xs:element id="unfi_MultiemployerPlansCollectiveBargainingArrangementNumberOfCollectiveBargainingAgreementsCoveringEmployeesRenegotiated" abstract="false" name="MultiemployerPlansCollectiveBargainingArrangementNumberOfCollectiveBargainingAgreementsCoveringEmployeesRenegotiated" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="unfi_UfcwUnionsAndParticipatingEmployersPensionFundMember" abstract="true" name="UfcwUnionsAndParticipatingEmployersPensionFundMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
</xs:schema>
