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>0001665511</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001235468</issuerCik>
        <issuerName>LIQUIDITY SERVICES INC</issuerName>
        <secFileNumber>000-51813</secFileNumber>
        <issuerAddress>
          <com:street1>6931 ARLINGTON ROAD</com:street1>
          <com:street2>SUITE 200</com:street2>
          <com:city>BETHESDA</com:city>
          <com:stateOrCountry>MD</com:stateOrCountry>
          <com:zipCode>20814</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>2024676868</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>KOLODZIESKI EDWARD</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Fidelity Brokerage Services LLC</name>
          <address>
            <com:street1>900 Salem Street</com:street1>
            <com:city>Smithfield</com:city>
            <com:stateOrCountry>RI</com:stateOrCountry>
            <com:zipCode>02917</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>2000</noOfUnitsSold>
        <aggregateMarketValue>65800.00</aggregateMarketValue>
        <noOfUnitsOutstanding>30741216</noOfUnitsOutstanding>
        <approxSaleDate>12/31/2024</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>02/01/2023</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>947</amountOfSecuritiesAcquired>
        <paymentDate>02/01/2023</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>02/01/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>1053</amountOfSecuritiesAcquired>
        <paymentDate>02/01/2024</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Edward J. Kolodzieski</name>
          <address>
            <com:street1>6931 Arlington Road</com:street1>
            <com:street2>Suite 460</com:street2>
            <com:city>Bethesda</com:city>
            <com:stateOrCountry>MD</com:stateOrCountry>
            <com:zipCode>20814</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>12/20/2024</saleDate>
        <amountOfSecuritiesSold>26000</amountOfSecuritiesSold>
        <grossProceeds>813727.20</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Edward J. Kolodzieski</name>
          <address>
            <com:street1>6931 Arlington Road</com:street1>
            <com:street2>Suite 460</com:street2>
            <com:city>Bethesda</com:city>
            <com:stateOrCountry>MD</com:stateOrCountry>
            <com:zipCode>20814</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>12/23/2024</saleDate>
        <amountOfSecuritiesSold>2000</amountOfSecuritiesSold>
        <grossProceeds>63800.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>12/31/2024</noticeDate>
        <planAdoptionDates>
          <planAdoptionDate>08/21/2024</planAdoptionDate>
        </planAdoptionDates>
        <signature>/s/ Gary Redman, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Edward J. Kolodzieski</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 4808}]
text: 144
  0001665511
  XXXXXXXX
  LIVE
  0001235468
  LIQUIDITY SERVICES INC
  000-51813
  6931 ARLINGTON ROAD
  SUITE 200
  BETHESDA
  MD
  20814
  2024676868
  KOLODZIESKI EDWARD
  Director
  Common
  Fidelity Brokerage Services LLC
  900 Salem Street
  Smithfield
  RI
  02917
  2000
  65800.00
  30741216
  12/31/2024
  NASDAQ
  Common
  02/01/2023
  Restricted Stock Vesting
  Issuer
  N
  947
  02/01/2023
  Compensation
  Common
  02/01/2024
  Restricted Stock Vesting
  Issuer
  N
  1053
  02/01/2024
  Compensation
  N
  Edward J. Kolodzieski
  6931 Arlington Road
  Suite 460
  Bethesda
  MD
  20814
  Common
  12/20/2024
  26000
  813727.20
  Edward J. Kolodzieski
  6931 Arlington Road
  Suite 460
  Bethesda
  MD
  20814
  Common
  12/23/2024
  2000
  63800.00
  12/31/2024
  08/21/2024
  /s/ Gary Redman, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Edward J. Kolodzieski