Bill Dinneen
- Given Name
- William Henry
- Nickname(s)
- Big Bill
- Born
- 4/5/1876 — Syracuse, NY, USA
- Died
- 1/13/1955 — Syracuse, NY, USA
- Weight
- 190 lbs
- Height
- 6' 1"
- Throws
- R
- Bats
- L
- Team(s)
- Washington Senators (1898–1899)Boston Beaneaters (1900–1901)Boston Americans (1902–1907)St. Louis Browns (1907–1909)
- Debut
- 1898-04-22
- Final Game
- 1909-08-26
- Gravesite
- Find-a-Grave
20-Loss Seasons
1902 · Boston AmericansW21L21ERA2.93WHIP1.204
1899 · Washington SenatorsW14L20ERA3.93WHIP1.567