William Kennon Sr. (May 14, 1793 – November 2, 1881) was an American lawyer and politician who served three terms as a U.S. Representative from Ohio.

He attended the common schools and Franklin College, New Athens, Ohio.

Kennon became affiliated with the Republican Party at the outbreak of the Civil War.

[1] Kennon died in St. Clairsville, Belmont County, Ohio, November 2, 1881.

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