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  <xsd:element abstract="true" id="dlhc_AccountsReceivableFacilityMember" name="AccountsReceivableFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_ComputerEquipment" name="ComputerEquipment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="dlhc_ContractRevenueNonrecurring" name="ContractRevenueNonrecurring" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="dlhc_ContractRevenueRetroactiveBilling" name="ContractRevenueRetroactiveBilling" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_DLHEmployeesMember" name="DLHEmployeesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_DeferredTaxAssetsLiabilitiesOthers" name="DeferredTaxAssetsLiabilitiesOthers" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="dlhc_DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwards" name="DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwards" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="dlhc_DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwardsCurrent" name="DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwardsCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="dlhc_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilitiesCurrent" name="DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilitiesCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="dlhc_DeferredTaxAssetsValuationAllowanceCurrentandNoncurrent" name="DeferredTaxAssetsValuationAllowanceCurrentandNoncurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="dlhc_DeferredTaxLiabilitiesFixedAndIntangibleAssets" name="DeferredTaxLiabilitiesFixedAndIntangibleAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="dlhc_DefinedContributionPlanEmployersMatchingContributionVestingPeriod" name="DefinedContributionPlanEmployersMatchingContributionVestingPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_DenominatorAbstract" name="DenominatorAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_DepartmentOfVeteransAffairsMember" name="DepartmentOfVeteransAffairsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_DepartmentofLaborMember" name="DepartmentofLaborMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_DepreciationAmortizationAndDebtCosts" name="DepreciationAmortizationAndDebtCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_EmployeeRelatedLiabilitiesAccruedPayrollAttributabletoBilledReceivables" name="EmployeeRelatedLiabilitiesAccruedPayrollAttributabletoBilledReceivables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="dlhc_EmployeeRelatedLiabilitiesAccruedPayrollAttributabletoUnbilledReceivables" name="EmployeeRelatedLiabilitiesAccruedPayrollAttributabletoUnbilledReceivables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="dlhc_EmployeeRelatedLiabilitiesAccruedPayrollAttributabletoUnbilledReceivablesTotal" name="EmployeeRelatedLiabilitiesAccruedPayrollAttributabletoUnbilledReceivablesTotal" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="dlhc_EmployeeServiceSharebasedCompensationNonvestedAwardsCompensationCostNotyetRecognizedWeightedAverageLife" name="EmployeeServiceSharebasedCompensationNonvestedAwardsCompensationCostNotyetRecognizedWeightedAverageLife" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_EmployeerelatedLiabilitiesAccruedPayrollAttributabletoRetroactivePaymentCases" name="EmployeerelatedLiabilitiesAccruedPayrollAttributabletoRetroactivePaymentCases" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="dlhc_EntityNumberofIntegratedRevenueStreams" name="EntityNumberofIntegratedRevenueStreams" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_EntityPeriodOfProfessionalServicesMinimum" name="EntityPeriodOfProfessionalServicesMinimum" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_GovernmentContractTermofAward" name="GovernmentContractTermofAward" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_IncomeTaxReconciliationOtherPermanentItems" name="IncomeTaxReconciliationOtherPermanentItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="dlhc_LeeseeLeasingArrangementOperatingLeasesTermofExcusedRent" name="LeeseeLeasingArrangementOperatingLeasesTermofExcusedRent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_LesseeLeasingArrangementsOperatingLeasesInitialTermofContract" name="LesseeLeasingArrangementsOperatingLeasesInitialTermofContract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_LesseeLeasingArrangementsOperatingLeasesNumberofExtensions" name="LesseeLeasingArrangementsOperatingLeasesNumberofExtensions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_LongTermIncentivePlan2006Member" name="LongTermIncentivePlan2006Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_NonemployeeDirectorsMember" name="NonemployeeDirectorsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_NumberOfLocationsInWhichEntityOperatesMinimum" name="NumberOfLocationsInWhichEntityOperatesMinimum" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="dlhc_NumeratorAbstract" name="NumeratorAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_OperatingLeaseRentExpenseExcused" name="OperatingLeaseRentExpenseExcused" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="dlhc_OperatingLeasesRentExpensesPerMonthNet" name="OperatingLeasesRentExpensesPerMonthNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="dlhc_OtherIncomeExpenseTableTextBlock" name="OtherIncomeExpenseTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_PaymentsforRepurchaseofTreasuryStock" name="PaymentsforRepurchaseofTreasuryStock" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="dlhc_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationTerm" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_StockCancelledDuringthePeriodShares" name="StockCancelledDuringthePeriodShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_StockCancelledDuringthePeriodValue" name="StockCancelledDuringthePeriodValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="dlhc_StockIssuedDuringPeriodSharesDirectorRestrictedStockAwardNetOfForfeitures" name="StockIssuedDuringPeriodSharesDirectorRestrictedStockAwardNetOfForfeitures" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_StockIssuedDuringPeriodValueDirectorRestrictedStockAwardNetOfForfeitures" name="StockIssuedDuringPeriodValueDirectorRestrictedStockAwardNetOfForfeitures" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_USGovernmentMember" name="USGovernmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_UnbilledReceivableFacilityMember" name="UnbilledReceivableFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_UnoccupiedAreaofRealEstate" name="UnoccupiedAreaofRealEstate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_WorkingCapitalNet" name="WorkingCapitalNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
</xsd:schema>
</XBRL>