Augustin Joseph "Gus" Dugas (March 24, 1907 – April 14, 1997) was a Canadian-born professional baseball outfielder. He played parts of four seasons in Major League Baseball (MLB) between 1930 and 1934, with the Pittsburgh Pirates, Philadelphia Phillies, and Washington Senators. Listed at 5 feet 9 inches (1.75 m) and 165 pounds (75 kg), he batted and threw left-handed.