George Michael O'Neil
- Bats Right, Throws Right
- Height 5' 10", Weight 185 lb.
- Debut September 12, 1919
- Final Game June 19, 1927
- Born April 12, 1898 in St. Louis, MO USA
- Died April 8, 1964 in St. Louis, MO USA
After his playing career ended, Mickey O'Neil was a Cleveland Indians coach in 1930. He also scouted for the Pittsburgh Pirates in 1947-1948. O'Neil spent 1955 as president/general manager of the Hot Springs Bathers.