Wilson Shannon Kennon (May 15, 1826 – June 18, 1895) was a Republican politician who was in the Ohio House of Representatives and was appointed Ohio Secretary of State from 1862 to 1863. Wilson S. Kennon was son of William Kennon, Jr., who represented Ohio in the U.S. House of Representatives and sat on the Ohio Supreme Court. He was born in St. Clairsville, Ohio, where he continued to reside. He was educated at the "St. Clairsville Institute" and at Bethany College at Bethany, Virginia (now West Virginia). He studied law in his father's office, and was admitted to the bar in 1850.