| Frank Whitney | |
| Birth Date: | February 18, 1856 |
| Birth Place: | Brockton, Massachusetts |
| Death Place: | Baltimore, Maryland |
| Bats: | Right |
| Throws: | Right |
| Debutleague: | MLB |
| Debutdate: | May 17 |
| Debutyear: | 1876 |
| Debutteam: | Boston Red Caps |
| Finalleague: | MLB |
| Finalyear: | 1876 |
| Finalteam: | Boston Red Caps |
| Statleague: | MLB |
| Stat1label: | Games played |
| Stat1value: | 34 |
| Stat2label: | Batting average |
| Stat2value: | .237 |
| Stat3label: | RBIs |
| Stat3value: | 15 |
| Teams: | |
Frank Thomas Whitney (February 18, 1856 – October 30, 1943), nicknamed "Jumbo," was an American Major League Baseball player. He played outfield for the 1876 Boston Red Caps. His younger brother, Art Whitney, was also a professional baseball player. At the time of his death he had been the last living player from the 1876 season.