January 28, 2020 Joseph B. Bower, Jr. President and Chief Executive Officer CNB Financial Corp 1 South Second Street, P.O. Box 42 Clearfield, PA 16830 Re: CNB Financial Corp Registration Statement on Form S-3 Filed January 22, 2020 File No. 333-236018 Dear Mr. Bower: 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 Jessica Livingston at 202-551-3448 with any questions. Sincerely, Division of Corporation Finance Office of Finance