Jack Katoll
- Given Name
- Johann
- Nickname(s)
- Big Jack, Katy
- Born
- 6/24/1875 — Finckenstein, Warmia-Masuria, Prussia
- Died
- 6/18/1955 — Woodstock, IL, USA
- Weight
- 195 lbs
- Height
- 5' 11"
- Throws
- R
- Bats
- L
- Team(s)
- Chicago Orphans (1898–1899)Chicago White Sox (1901–1902)Baltimore Orioles (1902)
- Debut
- 1898-09-09
- Final Game
- 1902-09-29
- Gravesite
- Find-a-Grave