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      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001204973</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000082020</issuerCik>
        <issuerName>UNITED STATES LIME &amp; MINERALS INC</issuerName>
        <secFileNumber>000-04197</secFileNumber>
        <issuerAddress>
          <com:street1>5429 LBJ FREEWAY</com:street1>
          <com:street2>SUITE 230</com:street2>
          <com:city>DALLAS</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>75240</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>972-991-8400</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>BYRNE TIMOTHY W</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>RBC CAPITAL MARKETS LLC</name>
          <address>
            <com:street1>250 NICOLLET MALL, SUITE 1700</com:street1>
            <com:city>MINNEAPOLIS</com:city>
            <com:stateOrCountry>MN</com:stateOrCountry>
            <com:zipCode>55401</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>22261</noOfUnitsSold>
        <aggregateMarketValue>3154946.00</aggregateMarketValue>
        <noOfUnitsOutstanding>28594270</noOfUnitsOutstanding>
        <approxSaleDate>11/19/2024</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <acquiredDate>03/03/2023</acquiredDate>
        <natureOfAcquisitionTransaction>OPTION EXERCISE</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>16810</amountOfSecuritiesAcquired>
        <paymentDate>03/03/2023</paymentDate>
        <natureOfPayment>N/A</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <acquiredDate>08/23/2023</acquiredDate>
        <natureOfAcquisitionTransaction>OPTION EXERCISE</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>5451</amountOfSecuritiesAcquired>
        <paymentDate>08/23/2023</paymentDate>
        <natureOfPayment>N/A</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>11/19/2024</noticeDate>
        <signature>POA / JEFFREY EISCHENS</signature>
      </noticeSignature>
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text: 144
  0001204973
  XXXXXXXX
  LIVE
  0000082020
  UNITED STATES LIME & MINERALS INC
  000-04197
  5429 LBJ FREEWAY
  SUITE 230
  DALLAS
  TX
  75240
  972-991-8400
  BYRNE TIMOTHY W
  Officer
  Director
  COMMON
  RBC CAPITAL MARKETS LLC
  250 NICOLLET MALL, SUITE 1700
  MINNEAPOLIS
  MN
  55401
  22261
  3154946.00
  28594270
  11/19/2024
  NASDAQ
  COMMON
  03/03/2023
  OPTION EXERCISE
  ISSUER
  N
  16810
  03/03/2023
  N/A
  COMMON
  08/23/2023
  OPTION EXERCISE
  ISSUER
  N
  5451
  08/23/2023
  N/A
  Y
  11/19/2024
  POA / JEFFREY EISCHENS