| Jack Mahony | |
| Birth Place: | Cork, Ireland |
| Position: | No. 8 |
| Repyears1: | 1923 |
| Repcaps1: | 1 |
| Reppoints1: | 0 |
Jack Mahony was an Irish international rugby union player.
Educated at Christian Brothers College, Cork, Mahony was a CBC rugby and swimming captain, while also playing hurling for the school. He captained the Munster Schools representative rugby team.[1]
Mahony gained an Ireland cap in a match against the 1923 grand slam-winning England team at Leicester, with persistent injuries derailing his career thereafter.[2] He played club rugby for Cork Constitution and Dolphin.[1]