content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001692905</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000785557</issuerCik>
        <issuerName>DLH Holdings Corp.</issuerName>
        <secFileNumber>000-18492</secFileNumber>
        <issuerAddress>
          <com:street1>3565 PIEDMONT ROAD, NE</com:street1>
          <com:street2>BUILDING 3, SUITE 700</com:street2>
          <com:city>ATLANTA</com:city>
          <com:stateOrCountry>GA</com:stateOrCountry>
          <com:zipCode>30305</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>8669521647</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Fisher Helene Loraine</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Fidelity Brokerage Services LLC</name>
          <address>
            <com:street1>245 Summer Street</com:street1>
            <com:city>Boston</com:city>
            <com:stateOrCountry>MA</com:stateOrCountry>
            <com:zipCode>02110</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>140677</noOfUnitsSold>
        <aggregateMarketValue>1974401.70</aggregateMarketValue>
        <noOfUnitsOutstanding>14067732</noOfUnitsOutstanding>
        <approxSaleDate>12/14/2023</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>01/03/2017</acquiredDate>
        <natureOfAcquisitionTransaction>Stock Options</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>250000</amountOfSecuritiesAcquired>
        <paymentDate>01/03/2017</paymentDate>
        <natureOfPayment>Not Applicable</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>12/14/2023</noticeDate>
        <signature>/s/ Christian Nasser as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Helene Fisher</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
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text: 144
  0001692905
  XXXXXXXX
  LIVE
  0000785557
  DLH Holdings Corp.
  000-18492
  3565 PIEDMONT ROAD, NE
  BUILDING 3, SUITE 700
  ATLANTA
  GA
  30305
  8669521647
  Fisher Helene Loraine
  Officer
  Common
  Fidelity Brokerage Services LLC
  245 Summer Street
  Boston
  MA
  02110
  140677
  1974401.70
  14067732
  12/14/2023
  NYSE
  Common
  01/03/2017
  Stock Options
  Issuer
  N
  250000
  01/03/2017
  Not Applicable
  Y
  12/14/2023
  /s/ Christian Nasser as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Helene Fisher