There have been multiple persons named John Farrell in baseball history.
- John Farrell (farrebi01) - player from 1882-1883, previously listed as Bill Farrell
- John Farrell (farrejo02) - player from 1901-1905
- John Farrell (farrejo03) - player from 1987-1996 and manager in 2011-
Disambiguation Pages are for subjects or titles that might refer to multiple possible BR Bullpen subjects. If your link directed you to this page, you may want to update it to one of the pages above.