Jack McDonough should not be confused with Jack McDonough (American football).
| Jack McDonough | |
| Fullname: | John Martin McDonough |
| Birth Date: | 26 July 1879 |
| Birth Place: | Collingwood, Victoria |
| Death Place: | Camberwell, Victoria |
| Originalteam: | Celtic[1] |
| Statsend: | 1905 |
| Years1: | 1902–1903 |
| Club1: | South Melbourne |
| Games Goals1: | 21 (3) |
| Years2: | 1904–1905 |
| Club2: | Fitzroy |
| Games Goals2: | 29 (6) |
| Games Goalstotal: | 50 (9) |
| Careerhighlights: | |
John Martin McDonough (26 July 1879 – 23 February 1955) was an Australian rules footballer who played for the South Melbourne Football Club and Fitzroy Football Club in the Victorian Football League (VFL).
McDonough was a forward and started his brief VFL career in 1902 at South Melbourne. After managing 21 games over two seasons he crossed to Fitzroy where he enjoyed team success, playing in two premiership sides.