Jimmy Callahan
- Given Name
- James Joseph
- Nickname(s)
- Nixey
- Born
- 3/18/1874 — Fitchburg, MA, USA
- Died
- 10/4/1934 — Boston, MA, USA
- Weight
- 180 lbs
- Height
- 5' 10"
- Throws
- R
- Bats
- R
- Team(s)
- Philadelphia Phillies (1894)Chicago Colts (1897)Chicago Orphans (1898–1900)Chicago White Sox (1901–1913)
- Debut
- 1894-05-12
- Final Game
- 1913-08-09
- Gravesite
- Find-a-Grave