Warren Crandall Giles was an American professional baseball executive. Giles spent 33 years in high-level posts in Major League Baseball as general manager and club president of the Cincinnati Reds (1937–1951) and president of the National League (1951–1969), and was elected to the National Baseball Hall of Fame.

The Cincinnati Reds are an American professional baseball team based in Cincinnati. The Reds compete in Major League Baseball (MLB) as a member club of the National League (NL) Central Division and were a charter member of the American Association in 1881 before joining the NL in 1890.