John A. McMahon | |
|---|---|
 | |
| Member of the U.S. House of Representatives from Ohio | |
| In office March 4, 1875 – March 3, 1881 | |
| Preceded by | Lewis B. Gunckel |
| Succeeded by | Henry Lee Morey |
| Constituency | 4th district (1875–1879) 3rd district (1879–1881) |
| 7th Ohio State Bar Association President | |
| In office December 29, 1886 – December 28, 1887 | |
| Preceded by | William J. Gilmore |
| Succeeded by | E. P. Green |
| Personal details | |
| Born | February 19, 1833 Frederick County, Maryland |
| Died | March 8, 1923 (aged 90) Dayton, Ohio |
| Resting place | Woodland Cemetery |
| Political party | Democratic |
| Spouse | Mollie R. Sprigg |
| Children | two |
| Alma mater | Xavier |
John A. McMahon (February 19, 1833 – March 8, 1923) was a three-term United States Representative from Ohio from 1875 to 1881. He was the nephew of Clement Vallandigham, another Representative from Ohio.