| Bill Tobin | |
| Position: | First baseman |
| Bats: | Left |
| Throws: | Unknown |
| Birth Date: | October 10, 1854 |
| Birth Place: | Hartford, Connecticut |
| Death Place: | Hartford, Connecticut |
| Debutleague: | MLB |
| Debutdate: | July 21 |
| Debutteam: | Worcester Ruby Legs |
| Finalleague: | MLB |
| Finaldate: | September 27 |
| Finalteam: | Troy Trojans |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .158 |
| Stat2label: | Home runs |
| Stat2value: | 0 |
| Stat3label: | Runs batted in |
| Stat3value: | 11 |
| Teams: |
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William F. Tobin (October 10, 1854 – October 10, 1912) was a first baseman in Major League Baseball in . He split the season between two teams, debuting in July with the Worcester Ruby Legs and ending the year with the Troy Trojans. He died on his 58th birthday in 1912.