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>0001406206</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>Celaya Jorge</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>RBC CAPITAL MARKETS LLC</name>
          <address>
            <com:street1>250 NICOLLET MALL</com:street1>
            <com:street2>SUITE 1700</com:street2>
            <com:city>Minneapolis</com:city>
            <com:stateOrCountry>MN</com:stateOrCountry>
            <com:zipCode>55401</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>2259</noOfUnitsSold>
        <aggregateMarketValue>50805.00</aggregateMarketValue>
        <noOfUnitsOutstanding>30532399</noOfUnitsOutstanding>
        <approxSaleDate>09/13/2024</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <acquiredDate>01/11/2022</acquiredDate>
        <natureOfAcquisitionTransaction>PSU VEST</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>927</amountOfSecuritiesAcquired>
        <paymentDate>01/11/2022</paymentDate>
        <natureOfPayment>NA</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <acquiredDate>01/06/2021</acquiredDate>
        <natureOfAcquisitionTransaction>STOCK OPTION EXERCISE</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>1332</amountOfSecuritiesAcquired>
        <paymentDate>01/06/2021</paymentDate>
        <natureOfPayment>STOCK SWAP</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>JORGE CELAYA TRUST C/O RBC CAPITAL MARKETS LLC </name>
          <address>
            <com:street1>250 NICOLLET MALL</com:street1>
            <com:street2>SUITE 1700</com:street2>
            <com:city>MINNEAPOLIS</com:city>
            <com:stateOrCountry>MN</com:stateOrCountry>
            <com:zipCode>55401</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <saleDate>09/12/2024</saleDate>
        <amountOfSecuritiesSold>10000</amountOfSecuritiesSold>
        <grossProceeds>220400.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>JORGE CELAYA TRUST  C/O RBC CAPITAL MARKETS LLC </name>
          <address>
            <com:street1>250 NICOLLET MALL</com:street1>
            <com:street2>SUITE 1700</com:street2>
            <com:city>MINNEAPOLIS</com:city>
            <com:stateOrCountry>MN</com:stateOrCountry>
            <com:zipCode>55401</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <saleDate>09/05/2024</saleDate>
        <amountOfSecuritiesSold>3248</amountOfSecuritiesSold>
        <grossProceeds>69862.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>09/13/2024</noticeDate>
        <signature>POA JEFFREY J. KAPALA</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 4647}]
text: 144
  0001406206
  XXXXXXXX
  LIVE
  0001235468
  LIQUIDITY SERVICES INC
  000-51813
  6931 ARLINGTON ROAD
  SUITE 200
  BETHESDA
  MD
  20814
  2024676868
  Celaya Jorge
  Officer
  COMMON
  RBC CAPITAL MARKETS LLC
  250 NICOLLET MALL
  SUITE 1700
  Minneapolis
  MN
  55401
  2259
  50805.00
  30532399
  09/13/2024
  NASDAQ
  COMMON
  01/11/2022
  PSU VEST
  ISSUER
  N
  927
  01/11/2022
  NA
  COMMON
  01/06/2021
  STOCK OPTION EXERCISE
  ISSUER
  N
  1332
  01/06/2021
  STOCK SWAP
  N
  JORGE CELAYA TRUST C/O RBC CAPITAL MARKETS LLC
  250 NICOLLET MALL
  SUITE 1700
  MINNEAPOLIS
  MN
  55401
  COMMON
  09/12/2024
  10000
  220400.00
  JORGE CELAYA TRUST  C/O RBC CAPITAL MARKETS LLC
  250 NICOLLET MALL
  SUITE 1700
  MINNEAPOLIS
  MN
  55401
  COMMON
  09/05/2024
  3248
  69862.00
  09/13/2024
  POA JEFFREY J. KAPALA