Walter William "Boom-Boom" Beck (October 16, 1904 – May 7, 1987) was an American right-handed pitcher in Major League Baseball. He played 12 seasons in the Major Leagues with the St. Louis Browns, Brooklyn Dodgers, Philadelphia Phillies, Detroit Tigers, Cincinnati Reds, and Pittsburgh Pirates. Beck was one of three pitchers to lead the National League in games started (35) in 1933. In 265 career games, Beck had a 38–69 won–loss total with 100 games started and 94 games finished in 1,034 innings pitched.