William Barbeau
- Given Name
- William Joseph
- Nickname(s)
- Buffalo Bill, Cannon Ball
- Born
- 6/10/1882 — New York, NY, USA
- Died
- 9/10/1969 — Milwaukee, WI, USA
- Weight
- 140 lbs
- Height
- 5' 5"
- Throws
- R
- Bats
- R
- Team(s)
- Cleveland Naps (1905–1906)St. Louis Cardinals (1909–1910)Pittsburgh Pirates (1909)
- Debut
- 1905-09-27
- Final Game
- 1910-05-02