Carnot Posey (August 5, 1818 – November 13, 1863) was a Mississippi planter and lawyer, and a Confederate general in the American Civil War. He was mortally wounded at the Battle of Bristoe Station. He was transported for care to the University of Virginia, where he had gone to law school. The residential rooms bordering the Lawn were all serving as Confederate hospital rooms. Posey was placed in Room 33 West Lawn, where he had lived as a student. He died there of his wounds.