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  <xsd:element id="dlhc_AdjustmentsToAdditionalPaidInCapitalFeesRelatedToRightsOffering" name="AdjustmentsToAdditionalPaidInCapitalFeesRelatedToRightsOffering" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="dlhc_ClassOfWarrantOrRightAdjustedExercisePriceOfWarrantsOrRights" name="ClassOfWarrantOrRightAdjustedExercisePriceOfWarrantsOrRights" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
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  <xsd:element abstract="true" id="dlhc_ConsultantsMember" name="ConsultantsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
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  <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" />
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  <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_DeferredTaxAssetsLiabilitiesPrepaidWorkersCompensation" name="DeferredTaxAssetsLiabilitiesPrepaidWorkersCompensation" 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" />
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  <xsd:element id="dlhc_DeferredTaxAssetsValuationAllowanceCurrentandNoncurrent" name="DeferredTaxAssetsValuationAllowanceCurrentandNoncurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
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  <xsd:element id="dlhc_DeferredTaxLiabilitiesFixedAndIntangibleAssets" name="DeferredTaxLiabilitiesFixedAndIntangibleAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
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  <xsd:element id="dlhc_EmployeeServiceSharebasedCompensationNonvestedAwardsCompensationCostNotyetRecognizedWeightedAverageLife" name="EmployeeServiceSharebasedCompensationNonvestedAwardsCompensationCostNotyetRecognizedWeightedAverageLife" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="dlhc_UnbilledReceivableFacilityMember" name="UnbilledReceivableFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
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</xsd:schema>
</XBRL>