Fountain Winston (November 3, 1793 – December 1, 1834) was an American politician from Mississippi.
Born in Germanton, North Carolina as a son of U.S. Representative Joseph Winston, a brother of Mississippi Supreme Court justice Louis L. Winston, and brother-in-law of Robert Williams, another North Carolina Representative.
Winston served as a member of Mississippi Senate from 1826 to 1830.
He was the last to hold the office of lieutenant governor, which was eliminated under a revised state constitution, and was not reinstated until passage of Mississippi's post-Civil War constitution in 1869.
Winston died in Natchez, Mississippi on December 1, 1834.