<?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>0001842417</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001746109</issuerCik>
      <issuerName>Bank First Corp</issuerName>
      <secFileNumber>001-38676</secFileNumber>
      <issuerAddress>
        <com:street1>402 NORTH EIGHTH STREET</com:street1>
        <com:city>MANITOWOC</com:city>
        <com:stateOrCountry>WI</com:stateOrCountry>
        <com:zipCode>54220</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>920-652-3100</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Johnson Stephen E</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Charles Schwab Corp.</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>2400</noOfUnitsSold>
      <aggregateMarketValue>255888.00</aggregateMarketValue>
      <noOfUnitsOutstanding>10012057</noOfUnitsOutstanding>
      <approxSaleDate>12/03/2024</approxSaleDate>
      <securitiesExchangeName>Nasdaq</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>12/20/2017</acquiredDate>
      <natureOfAcquisitionTransaction>Converted shares from merger</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>2400</amountOfSecuritiesAcquired>
      <paymentDate>12/20/2017</paymentDate>
      <natureOfPayment>Converted shares from merger</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>12/03/2024</noticeDate>
      <signature>Stephen E Johnson</signature>
    </noticeSignature>
  </formData>
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144
0001842417
XXXXXXXX
LIVE
0001746109
Bank First Corp
001-38676
402 NORTH EIGHTH STREET
MANITOWOC
WI
54220
920-652-3100
Johnson Stephen E
Director
Common
Charles Schwab Corp.
3000 Schwab Way
Westlake
TX
76262
2400
255888.00
10012057
12/03/2024
Nasdaq
Common
12/20/2017
Converted shares from merger
Issuer
N
2400
12/20/2017
Converted shares from merger
Y
12/03/2024
Stephen E Johnson