| John Farrell | |
| Position: | Second Baseman |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | December 4, 1876 |
| Birth Place: | Covington, Kentucky |
| Death Place: | Kansas City, Missouri |
| Debutleague: | MLB |
| Debutdate: | April 26 |
| Debutyear: | 1901 |
| Debutteam: | Washington Senators |
| Finalleague: | MLB |
| Finaldate: | April 25 |
| Finalyear: | 1905 |
| Finalteam: | St. Louis Cardinals |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .261 |
| Stat2label: | Home runs |
| Stat2value: | 4 |
| Stat3label: | Runs batted in |
| Stat3value: | 141 |
| Teams: |
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John Sebastian Farrell (December 4, 1876 – May 13, 1921), was a professional baseball player who played infielder in the American Major Leagues from -. He would play for the St. Louis Cardinals and Washington Senators.