Roy Edward Sievers (November 18, 1926 – April 3, 2017) was an American professional baseball player. He played in Major League Baseball (MLB) as a first baseman and left fielder from 1949 through 1965. A five-time All-Star, Sievers was the 1957 American League home run leader and RBI champion. He played for the St. Louis Browns, Washington Senators, Chicago White Sox, Philadelphia Phillies, and the expansion Washington Senators. Sievers batted and threw right-handed.