| Ham Allen | |
| Position: | Outfielder/Shortstop |
| Bats: | Unknown |
| Throws: | Unknown |
| Birth Date: | April 20, 1846 |
| Birth Place: | Augusta, Maine, U.S. |
| Death Place: | Natick, Massachusetts, U.S. |
| Debutleague: | MLB |
| Debutdate: | April 27 |
| Debutyear: | 1872 |
| Debutteam: | Middletown Mansfields |
| Finalleague: | MLB |
| Finaldate: | August 9 |
| Finalyear: | 1872 |
| Finalteam: | Middletown Mansfields |
| Statleague: | MLB |
| Stat1label: | Games played |
| Stat1value: | 16 |
| Stat2label: | Batting average |
| Stat2value: | .273 |
| Stat3label: | Hits |
| Stat3value: | 18 |
| Teams: | |
Frank Erwin "Ham" Allen (April 20, 1846 – February 6, 1881) was an American professional baseball player who played as an outfielder and a shortstop during the 1872 season for the Middletown Mansfields in the National Association.
Allen served as a private in Company F of the 36th Massachusetts Infantry Regiment during the American Civil War.[1]