Leonard Lewis Lindsay (April 6, 1909 – December 16, 1988), nicknamed "Sloppy", was an American Negro league first baseman between 1935 and 1946.
A native of Greensboro, North Carolina, Lindsay made his Negro leagues debut in 1935 for the Newark Dodgers. In 1943, he split time between the Cincinnati Clowns and Birmingham Black Barons, and started all seven games of the 1943 Negro World Series for Birmingham. Lindsay finished his career in 1946 with the Indianapolis Clowns. He died in Salisbury, North Carolina in 1988 at age 79.