Chuck Hartenstein
- Given Name
- Charles Oscar
- Nickname(s)
- Twiggy
- Born
- 5/26/1942 — Seguin, TX, USA
- Died
- 10/2/2021 — Austin, TX, USA
- Weight
- 165 lbs
- Height
- 5' 11"
- Throws
- R
- Bats
- R
- Team(s)
- Chicago Cubs (1965–1968)Pittsburgh Pirates (1969–1970)St. Louis Cardinals (1970)Boston Red Sox (1970)Toronto Blue Jays (1977)
- Debut
- 1965-09-11
- Final Game
- 1977-07-26