Fred Koster
- Given Name
- Frederick Charles
- Nickname(s)
- Fritz
- Born
- 12/21/1905 — Louisville, KY, USA
- Died
- 4/24/1979 — St. Matthews, KY, USA
- Weight
- 165 lbs
- Height
- 5' 10"
- Throws
- L
- Bats
- L
- Team(s)
- Philadelphia Phillies (1931)
- Debut
- 1931-04-27
- Final Game
- 1931-09-27
- Gravesite
- Find-a-Grave