Billy Williams
- Given Name
- Billy Leo
- Nickname(s)
- Sweet Swingin' Billy from Whistler
- Born
- 6/15/1938 — Whistler, AL, USA
- Weight
- 175 lbs
- Height
- 6' 1"
- Throws
- R
- Bats
- L
- Team(s)
- Chicago Cubs (1959–1974)Oakland Athletics (1975–1976)
- Debut
- 1959-08-06
- Final Game
- 1976-10-02