Claiborne Fox Jackson (April 4, 1806 – December 6, 1862) was a lawyer, soldier, politician. He was Governor of Missouri in 1861, then governor-in-exile for the Confederacy during the American Civil War.

Early life
Jackson was born in Fleming County, Kentucky. In 1822, he moved to Missouri, where he practiced law. Jackson and his father together owned a very profitable business. He served as an infantry captain in the Black Hawk War. Returning to Missouri, he was elected to the state legislature, serving twelve years, including a term as Speaker from 1844 until 1846. Jackson was elected to the state senate in 1848. As the leader of the pro-slavery Democrats, he led efforts to defeat the powerful and pro-Union Sen. Thomas H. Benton. In 1857 Jackson served as Banking Commissioner for the state.