Marlin Henry Stuart (August 8, 1918 – June 16, 1994) was an American professional baseball pitcher. The right-hander from Paragould, Arkansas, appeared in 196 games pitched (165 in relief) in Major League Baseball for three American League teams. He batted left-handed and was listed as 6 feet 2 inches (1.88 m) tall and 185 pounds (84 kg).