| Bill Farrell | |
| Position: | Catcher/Shortstop/Outfielder |
| Birth Place: | Bridgeport, Connecticut |
| Bats: | Unknown |
| Throws: | Unknown |
| Debutleague: | MLB |
| Debutdate: | May 3 |
| Debutyear: | 1882 |
| Debutteam: | Philadelphia Athletics |
| Finalleague: | MLB |
| Finaldate: | May 21 |
| Finalyear: | 1883 |
| Finalteam: | Baltimore Orioles |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .143 |
| Stat2label: | Home runs |
| Stat2value: | 0 |
| Stat3label: | Runs batted in |
| Stat3value: | 1 |
| Teams: |
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William Farrell was a 19th-century Major League Baseball player. He played for the 1882 Philadelphia Athletics and 1883 Baltimore Orioles in the American Association.