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  <xs:element id="unfi_MinneapolisFoodDistributingIndustryPensionPlanMember" abstract="true" name="MinneapolisFoodDistributingIndustryPensionPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="unfi_MinneapolisRetailMeatCuttersAndFoodHandlersPensionFundMember" abstract="true" name="MinneapolisRetailMeatCuttersAndFoodHandlersPensionFundMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="unfi_MinneapolisRetailMeatCuttersAndFoodHandlersVariableAnnuityPensionFundMember" abstract="true" name="MinneapolisRetailMeatCuttersAndFoodHandlersVariableAnnuityPensionFundMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="unfi_CentralStatesSoutheastandSouthwestAreasPensionFundMember" abstract="true" name="CentralStatesSoutheastandSouthwestAreasPensionFundMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="unfi_UFCWUnionsAndParticipatingEmployersPensionFundMember" abstract="true" name="UFCWUnionsAndParticipatingEmployersPensionFundMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="unfi_WesternConferenceOfTeamstersPensionPlanMember" abstract="true" name="WesternConferenceOfTeamstersPensionPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="unfi_AllOtherMultiemployerPensionPlansMember" abstract="true" name="AllOtherMultiemployerPensionPlansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="unfi_MultiemployerPlanPPASurchargesonEligibleContributionsPercent" abstract="false" name="MultiemployerPlanPPASurchargesonEligibleContributionsPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="unfi_MultiemployerPlanNumberofPlans" abstract="false" name="MultiemployerPlanNumberofPlans" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="unfi_MultiemployerPlanPensionNumberOfPlansWithoutFutureContributions" abstract="false" name="MultiemployerPlanPensionNumberOfPlansWithoutFutureContributions" nillable="true" xbrli:periodType="instant" 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-types:domainItemType"/>
  <xs:element id="unfi_NumberOfCollectiveBargainingAgreements" abstract="false" name="NumberOfCollectiveBargainingAgreements" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="unfi_MultiemployerPlansCollectiveBargainingArrangementNumberOfCollectiveBargainingAgreementsCoveredEmployees" abstract="false" name="MultiemployerPlansCollectiveBargainingArrangementNumberOfCollectiveBargainingAgreementsCoveredEmployees" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="unfi_MultiemployerPlansCollectiveBargainingArrangementNumberOfCollectiveBargainingAgreementsCoveringEmployeesRenegotiated" abstract="false" name="MultiemployerPlansCollectiveBargainingArrangementNumberOfCollectiveBargainingAgreementsCoveringEmployeesRenegotiated" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="unfi_MultiemployerPlansCollectiveBargainingArrangementNumberOfEmployeesRenegotiatedCollectiveBargainingAgreement" abstract="false" name="MultiemployerPlansCollectiveBargainingArrangementNumberOfEmployeesRenegotiatedCollectiveBargainingAgreement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="unfi_MultiemployerPlansCollectiveBargainingArrangementNumberOfCollectiveBargainingAgreementsCoveringEmployeesTentativeAgreements" abstract="false" name="MultiemployerPlansCollectiveBargainingArrangementNumberOfCollectiveBargainingAgreementsCoveringEmployeesTentativeAgreements" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="unfi_MultiemployerPlansCollectiveBargainingArrangementNumberOfCollectiveBargainingAgreementsCoveringEmployeesExpired" abstract="false" name="MultiemployerPlansCollectiveBargainingArrangementNumberOfCollectiveBargainingAgreementsCoveringEmployeesExpired" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="unfi_MultiemployerPlansCollectiveBargainingArrangementNumberOfEmployeeTentativeAgreementPendingRatification" abstract="false" name="MultiemployerPlansCollectiveBargainingArrangementNumberOfEmployeeTentativeAgreementPendingRatification" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="unfi_MultiemployerPlansCollectiveBargainingArrangementNumberOfEmployeesWithoutRenegotiatedCollectiveBargainingAgreement" abstract="false" name="MultiemployerPlansCollectiveBargainingArrangementNumberOfEmployeesWithoutRenegotiatedCollectiveBargainingAgreement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="unfi_MultiemployerPlansCollectiveBargainingArrangementNumberOfCollectiveBargainingAgreementsCoveringEmployeesNegotiated" abstract="false" name="MultiemployerPlansCollectiveBargainingArrangementNumberOfCollectiveBargainingAgreementsCoveringEmployeesNegotiated" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="unfi_MultiemployerPlansCollectiveBargainingArrangementNumberOfEmployeesNegotiatedCollectiveBargainingAgreement" abstract="false" name="MultiemployerPlansCollectiveBargainingArrangementNumberOfEmployeesNegotiatedCollectiveBargainingAgreement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="unfi_MultiemployerPlansCollectiveBargainingArrangementNumberOfCollectiveBargainingAgreementsCoveringEmployeesScheduledtoExpire" abstract="false" name="MultiemployerPlansCollectiveBargainingArrangementNumberOfCollectiveBargainingAgreementsCoveringEmployeesScheduledtoExpire" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="unfi_MultiemployerPlansCollectiveBargainingArrangementNumberOfEmployeesExpireCollectiveBargainingAgreement" abstract="false" name="MultiemployerPlansCollectiveBargainingArrangementNumberOfEmployeesExpireCollectiveBargainingAgreement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="unfi_PaymentstoGovernmentAgencies" abstract="false" name="PaymentstoGovernmentAgencies" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_DeferredTaxAssetsCapitalizedResearchAndDevelopment" abstract="false" name="DeferredTaxAssetsCapitalizedResearchAndDevelopment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <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_DeferredTaxLiabilitiesHedgingTransactions" abstract="false" name="DeferredTaxLiabilitiesHedgingTransactions" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_DeferredTaxAssetsDisallowedInterestExpenseCarryforward" abstract="false" name="DeferredTaxAssetsDisallowedInterestExpenseCarryforward" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <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_DeferredTaxAssetsDisallowedInterestExpenseCarryforwardValuationAllowance" abstract="false" name="DeferredTaxAssetsDisallowedInterestExpenseCarryforwardValuationAllowance" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_ConventionalSegmentMember" abstract="true" name="ConventionalSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="unfi_RetailSegmentMember" abstract="true" name="RetailSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types: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_EliminationOfIntersegmentProfitLoss" abstract="false" name="EliminationOfIntersegmentProfitLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_UnallocatedCorporateOverhead" abstract="false" name="UnallocatedCorporateOverhead" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <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_ShareBasedCompensationEBITDAAdjustment" abstract="false" name="ShareBasedCompensationEBITDAAdjustment" nillable="true" xbrli:periodType="duration" 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_OtherRetailExpense" abstract="false" name="OtherRetailExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_GainLossOnBusinessTransformation" abstract="false" name="GainLossOnBusinessTransformation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_MultiDistrictLitigationMember" abstract="true" name="MultiDistrictLitigationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="unfi_ComplaintFromVariousHealthPlansMember" abstract="true" name="ComplaintFromVariousHealthPlansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="unfi_SchutteandYarberryv.SuperValuNewAlbertsonsInc.etalMember" abstract="true" name="SchutteandYarberryv.SuperValuNewAlbertsonsInc.etalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="unfi_DanSillsEtAl.V.UnitedNaturalFoodsInc.EtAlMember" abstract="true" name="DanSillsEtAl.V.UnitedNaturalFoodsInc.EtAlMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="unfi_GuarantorObligationsGuaranteesTerm" abstract="false" name="GuarantorObligationsGuaranteesTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="unfi_GuarantorObligationsMaximumExposureDiscounted" abstract="false" name="GuarantorObligationsMaximumExposureDiscounted" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_LossContingencyShareofPotentialAwardValue" abstract="false" name="LossContingencyShareofPotentialAwardValue" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="unfi_LossContingencyNumberOfRelators" abstract="false" name="LossContingencyNumberOfRelators" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
</xs:schema>
