| Frank Kelliher | |
| Position: | Pinch hitter |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 23 May 1899 |
| Birth Place: | Somerville, Massachusetts |
| Death Place: | Somerville, Massachusetts |
| Debutleague: | MLB |
| Debutdate: | September 19 |
| Debutyear: | 1919 |
| Debutteam: | Washington Senators |
| Finalleague: | MLB |
| Finaldate: | September 19 |
| Finalyear: | 1919 |
| Finalteam: | Washington Senators |
| Statleague: | MLB |
| Stat1label: | Games played |
| Stat1value: | 1 |
| Stat2label: | At bats |
| Stat2value: | 1 |
| Stat3label: | Hits |
| Stat3value: | 0 |
| Teams: | |
Francis Mortiford Kelliher (May 23, 1899 – March 4, 1956) was an American Major League Baseball player who pinch hit on one game for the Washington Senators on September 19, . He went hitless in his only career at bat.