content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <!-- Generated by Workiva -->
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001565117</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000056047</issuerCik>
        <issuerName>Kirby Corporation</issuerName>
        <secFileNumber>001-07615</secFileNumber>
        <issuerAddress>
          <com:street1>55 Waugh Dr. Suite 1000</com:street1>
          <com:city>Houston</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>77007</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>713-435-1000</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>William M. Waterman</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Affiliate</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>J.P. Morgan Securities LLC</name>
          <address>
            <com:street1>390 Madison Avenue - 6th Floor</com:street1>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10017</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>40001</noOfUnitsSold>
        <aggregateMarketValue>5219330.48</aggregateMarketValue>
        <noOfUnitsOutstanding>57400000</noOfUnitsOutstanding>
        <approxSaleDate>11/25/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common Stock</securitiesClassTitle>
        <acquiredDate>12/14/2012</acquiredDate>
        <natureOfAcquisitionTransaction>Penn Maritime Acquisition</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>40001</amountOfSecuritiesAcquired>
        <paymentDate>12/14/2012</paymentDate>
        <natureOfPayment>N/A</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <remarks>The shares filed today will be sold by the William M. Waterman Revocable Trust, William M. Waterman as Trustee</remarks>
      <noticeSignature>
        <noticeDate>11/25/2024</noticeDate>
        <signature>/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for William M. Waterman</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 2972}]
text: 144
  0001565117
  XXXXXXXX
  LIVE
  0000056047
  Kirby Corporation
  001-07615
  55 Waugh Dr. Suite 1000
  Houston
  TX
  77007
  713-435-1000
  William M. Waterman
  Affiliate
  Common Stock
  J.P. Morgan Securities LLC
  390 Madison Avenue - 6th Floor
  New York
  NY
  10017
  40001
  5219330.48
  57400000
  11/25/2024
  NYSE
  Common Stock
  12/14/2012
  Penn Maritime Acquisition
  Issuer
  N
  40001
  12/14/2012
  N/A
  Y
  The shares filed today will be sold by the William M. Waterman Revocable Trust, William M. Waterman as Trustee
  11/25/2024
  /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for William M. Waterman