Claude Willoughby in 1929
Claude Willoughby in 1929

Claude William Willoughby (November 14, 1898 in Buffalo, Kansas – August 14, 1973 in McPherson, Kansas), was a professional baseball player who was a pitcher in the Major Leagues from 1925-1931. He played for the Philadelphia Phillies and Pittsburgh Pirates.

In 219 games pitched,101 which were starts, Willoughby recorded a 38-58 won-loss record with a 5.84 earned run average and 175 strikeouts in 841.1 innings pitched over seven seasons.