1 Exhibit 23.1 CONSENT OF AUSTIN ASSOCIATES, INC. 2 We consent to the inclusion in this Registration Statement, on Form S-4 of Farmers National Banc Corp., of our opinion set forth as Annex B to the proxy statement/prospectus, which is part of the Registration Statement, and to the reference to our firm and summarization of our opinion in the proxy statement/ prospectus under the caption "Opinion of Security's Financial Advisor." /s/ Austin Associates, Inc. Austin Associates, Inc. Toledo, Ohio August 22, 2000