Willie Clark
- Given Name
- William Otis
- Nickname(s)
- Willie
- Born
- 8/16/1870 — Pittsburgh, PA, USA
- Died
- 11/13/1932 — Pittsburgh, PA, USA
- Weight
- 195 lbs
- Height
- 6' 0"
- Throws
- L
- Bats
- L
- Team(s)
- New York Giants (1895–1897)Pittsburgh Pirates (1898–1899)
- Debut
- 1895-06-20
- Final Game
- 1899-08-03
- Gravesite
- Find-a-Grave