POWER OF ATTORNEY

The undersigned, an executive officer or director of Farmers National Banc
Corp., an Ohio corporation, hereby constitutes and appoints each of John S.
Gulas and Carl D. Culp, his or her true and lawful attorney(s)-in-fact and
agent(s) with full power of substitution and resubstitution for him or her and
in his or her name, place and stead, in any and all capacities, to sign all
Securities and Exchange Commission Forms 3, 4, 5 and 144, including any and all
amendments thereto and all electronic application forms therefor, and to file
the same and other documents relating thereto, with the Securities and Exchange
Commission, and grants unto said attorney(s)-in-fact and substitute(s) full
power and authority to do each and every act and thing requested and necessary
to be done in and about the premises as fully to all intents and purposes as he
or she might do in person, and hereby ratifies and confirms all things that said
attorney(s)-in-fact and substitutes(s) may lawfully do and seek to be done by
virtue hereof.

This Power of Attorney shall be valid until such time as it is revoked by the
undersigned in writing.

Date: October 1, 2010

/s/ Lance J. Ciroli