United States securities and exchange commission logo April 6, 2022 Kelly Dvorak General Counsel Bank First Corporation 402 North 8th Street Manitowoc, Wisconsin 54220 Re: Bank First Corporation Registration Statement on Form S-4 Filed March 25, 2022 File No. 333-263865 Dear Ms. Dvorak: This is to advise you that we have not reviewed and will not review your registration statement. Please refer to Rules 460 and 461 regarding requests for acceleration. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Please contact John Stickel at 202-551-3324 with any questions. Sincerely, Division of Corporation Finance Office of Finance