Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in the following Registration Statements of Farmers National Banc Corp.:
Form S-3D No. 333-180649
Form S-8 No. 333-217925
Form S-8 No. 333-188570
Form S-8 No. 333-176399
Form S-8 No. 333-264763
of our report dated March 06, 2025, relating to the consolidated financial statements and effectiveness of internal control over financial reporting, appearing in this Annual Report on Form 10-K.

Crowe LLP
Columbus, Ohio
March 6, 2025