John Flaherty
- Given Name
- John Timothy
- Nickname(s)
- Flash
- Born
- 10/21/1967 — New York, NY, USA
- Weight
- 195 lbs
- Height
- 6' 1"
- Throws
- R
- Bats
- R
- Team(s)
- Boston Red Sox (1992–1993)Detroit Tigers (1994–1996)San Diego Padres (1996–1997)Tampa Bay Devil Rays (1998–2002)New York Yankees (2003–2005)
- Debut
- 1992-04-12
- Final Game
- 2005-10-01