Harry Hancock "Ted" McGrew (June 24, 1880 – June 29, 1969) was an American professional baseball player, manager, umpire and scout. After a minor league playing and managing career, he umpired in Major League Baseball (MLB) in 1930, 1931, 1933 and 1934. Later in his life, McGrew scouted for several MLB teams and was credited with discovering Pee Wee Reese and Alvin Dark.