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>0001250506</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000036270</issuerCik>
        <issuerName>M&amp;T BANK CORP</issuerName>
        <secFileNumber>001-09861</secFileNumber>
        <issuerAddress>
          <com:street1>C/O CORPORATE REPORTING</com:street1>
          <com:street2>ONE M&amp;T PLAZA 5TH FLOOR</com:street2>
          <com:city>BUFFALO</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>14203</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>7168425390</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>BARNES JOHN P</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>100</noOfUnitsSold>
        <aggregateMarketValue>14725.00</aggregateMarketValue>
        <noOfUnitsOutstanding>166854421</noOfUnitsOutstanding>
        <approxSaleDate>05/03/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>05/03/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Option Granted 02/20/2020</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>100</amountOfSecuritiesAcquired>
        <paymentDate>05/03/2024</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>John P. Barnes</name>
          <address>
            <com:street1>One M&amp;T Plaza</com:street1>
            <com:city>Buffalo</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>14203</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>04/25/2024</saleDate>
        <amountOfSecuritiesSold>10000</amountOfSecuritiesSold>
        <grossProceeds>1471143.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>John P. Barnes</name>
          <address>
            <com:street1>One M&amp;T Plaza</com:street1>
            <com:city>Buffalo</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>14203</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>04/26/2024</saleDate>
        <amountOfSecuritiesSold>10000</amountOfSecuritiesSold>
        <grossProceeds>1480000.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>05/03/2024</noticeDate>
        <signature>/s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for John P Barnes</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 4042}]
text: 144
  0001250506
  XXXXXXXX
  LIVE
  0000036270
  M&T BANK CORP
  001-09861
  C/O CORPORATE REPORTING
  ONE M&T PLAZA 5TH FLOOR
  BUFFALO
  NY
  14203
  7168425390
  BARNES JOHN P
  Director
  Common
  Fidelity Brokerage Services LLC
  900 Salem Street
  Smithfield
  RI
  02917
  100
  14725.00
  166854421
  05/03/2024
  NYSE
  Common
  05/03/2024
  Option Granted 02/20/2020
  Issuer
  N
  100
  05/03/2024
  Cash
  N
  John P. Barnes
  One M&T Plaza
  Buffalo
  NY
  14203
  Common
  04/25/2024
  10000
  1471143.00
  John P. Barnes
  One M&T Plaza
  Buffalo
  NY
  14203
  Common
  04/26/2024
  10000
  1480000.00
  05/03/2024
  /s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for John P Barnes