| Tom Cotter | |
| Position: | Catcher |
| Birth Date: | September 30, 1866 |
| Birth Place: | Waltham, Massachusetts |
| Death Place: | Brookline, Massachusetts |
| Bats: | Right |
| Throws: | Right |
| Debutleague: | MLB |
| Debutdate: | September 3 |
| Debutyear: | 1891 |
| Debutteam: | Boston Reds |
| Finalleague: | MLB |
| Finaldate: | October 5 |
| Finalyear: | 1891 |
| Finalteam: | Boston Reds |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .250 |
| Stat2label: | Hits |
| Stat2value: | 3 |
| Teams: |
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Thomas Benedict Cotter (September 30, 1866 – November 22, 1906) was a Major League Baseball catcher who played for one season. He played for the Boston Reds in six games in 1891, helping lead the Reds to the American Association title.