Dick Lanahan (September 27, 1911 - March 12, 1975) was a former Major League Baseball left-handed pitcher who played for the Pittsburgh Pirates and the Washington Senators in a four year career varying from 1935 to 1941.
His best season was the 1940 season in which he had six wins in 40 games, and a 4.25 earned run average. His forty games played was ninth in the National League.