Edward Joseph Callahan
- Bats Unknown, Throws Unknown
- Debut July 19, 1884
- Final Game October 13, 1884
- Born December 11, 1857 in Boston, MA USA
- Died February 5, 1947 in New York, NY USA
Ed Callahan was a National League umpire in 1881, working 29 games. He then played 8 games for three different teams in the only season of the Union Association, in 1884. He also umpired one game in the fledgling major league.