Harry Morgan Gowdy (August 24, 1889 – August 1, 1966) was an American professional baseball catcher, first baseman, manager and coach who played in the major leagues for the New York Giants and the Boston Braves. He was a member of the 1914 "Miracle" Boston Braves. He was the first active major league player to enlist for service in World War I, and the only player to fight in both World War I and World War II.