Tobias Avery Plants (March 17, 1811 – June 19, 1887) was an American lawyer, newspaperman, and politician who served two terms as a U.S. Representative from Ohio from 1865 to 1869.

Born at Sewickley, Pennsylvania, Plants apprenticed to a saddler at the age of twelve.

He taught school, and while teaching studied law with Edwin M. Stanton in the office of Judge David Powell at Steubenville, Ohio.

He served as Common Pleas Judge in Meigs County from 1873 to 1875, when he resigned to resume the practice of law.

This article incorporates public domain material from the Biographical Directory of the United States Congress