Emmet Thomas "Red" Ormsby (April 3, 1895 – October 11, 1962) was a professional baseball umpire who worked in the American League from 1923 to 1941. Ormsby umpired 2,537 major league games in his 19-year career, in addition to working in the 1935 Major League Baseball All-Star Game, and in four World Series (1927, 1933, 1937, and 1940).