| Biff Sheehan | |
| Bats: | Left |
| Throws: | Right |
| Birth Date: | February 13, 1868 |
| Birth Place: | Hartford, Connecticut |
| Death Place: | Hartford, Connecticut |
| Debutleague: | MLB |
| Debutdate: | July 22 |
| Debutyear: | 1895 |
| Debutteam: | St. Louis Browns |
| Finalleague: | MLB |
| Finaldate: | May 10 |
| Finalyear: | 1896 |
| Finalteam: | St. Louis Browns |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .302 |
| Stat2label: | Home runs |
| Stat2value: | 1 |
| Stat3label: | Runs batted in |
| Stat3value: | 19 |
| Teams: |
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Timothy James Sheehan (February 13, 1868 – October 21, 1923) was an outfielder and first baseman for the St. Louis Browns of the National League in 1895 and 1896. His minor league career stretched from 1889 through 1899.