content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
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      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001863648</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000860731</issuerCik>
        <issuerName>TYLER TECHNOLOGIES INC</issuerName>
        <secFileNumber>001-10485</secFileNumber>
        <issuerAddress>
          <com:street1>5101 TENNYSON PKWY</com:street1>
          <com:city>PLANO</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>75024</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>9727133700</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Puckett Jeffrey David</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Fidelity Brokerage Services LLC</name>
          <address>
            <com:street1>900 Salem St</com:street1>
            <com:city>Smithfield</com:city>
            <com:stateOrCountry>RI</com:stateOrCountry>
            <com:zipCode>02917</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>3547</noOfUnitsSold>
        <aggregateMarketValue>1511730.24</aggregateMarketValue>
        <noOfUnitsOutstanding>42276136</noOfUnitsOutstanding>
        <approxSaleDate>03/11/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>09/30/2010</acquiredDate>
        <natureOfAcquisitionTransaction>ESPP Purchase</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>103</amountOfSecuritiesAcquired>
        <paymentDate>09/30/2010</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>12/31/2010</acquiredDate>
        <natureOfAcquisitionTransaction>ESPP Purchase</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>116</amountOfSecuritiesAcquired>
        <paymentDate>12/31/2010</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/31/2011</acquiredDate>
        <natureOfAcquisitionTransaction>ESPP Purchase</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>87</amountOfSecuritiesAcquired>
        <paymentDate>03/31/2011</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>06/30/2011</acquiredDate>
        <natureOfAcquisitionTransaction>ESPP Purchase</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>91</amountOfSecuritiesAcquired>
        <paymentDate>06/30/2011</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>09/30/2011</acquiredDate>
        <natureOfAcquisitionTransaction>ESPP Purchase</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>96</amountOfSecuritiesAcquired>
        <paymentDate>09/30/2011</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>12/30/2011</acquiredDate>
        <natureOfAcquisitionTransaction>ESPP Purchase</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>69</amountOfSecuritiesAcquired>
        <paymentDate>12/30/2011</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/30/2012</acquiredDate>
        <natureOfAcquisitionTransaction>ESPP Purchase</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>66</amountOfSecuritiesAcquired>
        <paymentDate>03/30/2012</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>12/31/2012</acquiredDate>
        <natureOfAcquisitionTransaction>ESPP Purchase</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>99</amountOfSecuritiesAcquired>
        <paymentDate>12/31/2012</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/28/2013</acquiredDate>
        <natureOfAcquisitionTransaction>ESPP Purchase</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>266</amountOfSecuritiesAcquired>
        <paymentDate>03/28/2013</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>09/30/2014</acquiredDate>
        <natureOfAcquisitionTransaction>ESPP Purchase</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>78</amountOfSecuritiesAcquired>
        <paymentDate>09/30/2014</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/31/2022</acquiredDate>
        <natureOfAcquisitionTransaction>ESPP Purchase</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>1</amountOfSecuritiesAcquired>
        <paymentDate>03/31/2022</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>06/30/2022</acquiredDate>
        <natureOfAcquisitionTransaction>ESPP Purchase</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>14</amountOfSecuritiesAcquired>
        <paymentDate>06/30/2022</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>09/30/2022</acquiredDate>
        <natureOfAcquisitionTransaction>ESPP Purchase</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>14</amountOfSecuritiesAcquired>
        <paymentDate>09/30/2022</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>12/30/2022</acquiredDate>
        <natureOfAcquisitionTransaction>ESPP Purchase</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>12</amountOfSecuritiesAcquired>
        <paymentDate>12/30/2022</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/01/2023</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>1791</amountOfSecuritiesAcquired>
        <paymentDate>03/01/2023</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/01/2023</acquiredDate>
        <natureOfAcquisitionTransaction>Performance Shares</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>644</amountOfSecuritiesAcquired>
        <paymentDate>03/01/2023</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Jeffrey D. Puckett</name>
          <address>
            <com:street1>5101 Tennyson Parkway</com:street1>
            <com:city>Plano</com:city>
            <com:stateOrCountry>TX</com:stateOrCountry>
            <com:zipCode>75024</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>03/07/2024</saleDate>
        <amountOfSecuritiesSold>3481</amountOfSecuritiesSold>
        <grossProceeds>1472642.59</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>03/11/2024</noticeDate>
        <signature>/s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Jeffrey D Puckett</signature>
      </noticeSignature>
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metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 11187}]
text: 144
  0001863648
  XXXXXXXX
  LIVE
  0000860731
  TYLER TECHNOLOGIES INC
  001-10485
  5101 TENNYSON PKWY
  PLANO
  TX
  75024
  9727133700
  Puckett Jeffrey David
  Officer
  Common
  Fidelity Brokerage Services LLC
  900 Salem St
  Smithfield
  RI
  02917
  3547
  1511730.24
  42276136
  03/11/2024
  NYSE
  Common
  09/30/2010
  ESPP Purchase
  Issuer
  N
  103
  09/30/2010
  Cash
  Common
  12/31/2010
  ESPP Purchase
  Issuer
  N
  116
  12/31/2010
  Cash
  Common
  03/31/2011
  ESPP Purchase
  Issuer
  N
  87
  03/31/2011
  Cash
  Common
  06/30/2011
  ESPP Purchase
  Issuer
  N
  91
  06/30/2011
  Cash
  Common
  09/30/2011
  ESPP Purchase
  Issuer
  N
  96
  09/30/2011
  Cash
  Common
  12/30/2011
  ESPP Purchase
  Issuer
  N
  69
  12/30/2011
  Cash
  Common
  03/30/2012
  ESPP Purchase
  Issuer
  N
  66
  03/30/2012
  Cash
  Common
  12/31/2012
  ESPP Purchase
  Issuer
  N
  99
  12/31/2012
  Cash
  Common
  03/28/2013
  ESPP Purchase
  Issuer
  N
  266
  03/28/2013
  Cash
  Common
  09/30/2014
  ESPP Purchase
  Issuer
  N
  78
  09/30/2014
  Cash
  Common
  03/31/2022
  ESPP Purchase
  Issuer
  N
  1
  03/31/2022
  Cash
  Common
  06/30/2022
  ESPP Purchase
  Issuer
  N
  14
  06/30/2022
  Cash
  Common
  09/30/2022
  ESPP Purchase
  Issuer
  N
  14
  09/30/2022
  Cash
  Common
  12/30/2022
  ESPP Purchase
  Issuer
  N
  12
  12/30/2022
  Cash
  Common
  03/01/2023
  Restricted Stock Vesting
  Issuer
  N
  1791
  03/01/2023
  Compensation
  Common
  03/01/2023
  Performance Shares
  Issuer
  N
  644
  03/01/2023
  Compensation
  N
  Jeffrey D. Puckett
  5101 Tennyson Parkway
  Plano
  TX
  75024
  Common
  03/07/2024
  3481
  1472642.59
  03/11/2024
  /s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Jeffrey D Puckett