Mike Sullivan
- Given Name
- Michael Joseph
- Nickname(s)
- Big Mike
- Born
- 3/10/1860 — Webster, MA, USA
- Died
- 6/16/1929 — Webster, MA, USA
- Weight
- 165 lbs
- Height
- 5' 8"
- Throws
- R
- Bats
- R
- Team(s)
- Philadelphia Athletics (1888)
- Debut
- 1888-04-26
- Final Game
- 1888-06-20