August 8, 2019 Robert B. Klingler Chairman, President, and Chief Executive Officer Nicolet Bankshares, Inc. 111 North Washington Street Green Bay, Wisconsin 54301 Re: Nicolet Bankshares, Inc. Registration Statement on Form S-4 Filed on August 2, 2019 File No. 333-232971 Dear Mr. Klingler: 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 David Lin at (202) 551-3552 with any questions. Sincerely, Division of Corporation Finance Office of Financial Services