| Jerry Mahoney | |
| Birth Name: | Michael Jeremiah Mahoney |
| Birth Date: | December 19, 1860 |
| Birth Place: | Lowell, Massachusetts |
| Death Date: | April 1, 1947 (aged 86) |
| Death Place: | Lowell, Massachusetts |
| Employer: | American Association, National League |
| Occupation: | Umpire |
| Years Active: | 1891 (AA), 1892 (NL) |
Michael Jeremiah "Jerry" Mahoney (December 19, 1860 – April 1, 1947) was a professional baseball umpire.
Mahoney umpired 49 American Association games in, and he umpired 16 National League games the following year in, all of them as the lone umpire.[1]