| Jack McCarthy | |
| Fullname: | John James McCarthy |
| Birth Date: | 22 April 1884 |
| Birth Place: | Ballarat, Victoria |
| Death Place: | Hampton East, Victoria |
| Originalteam: | Mornington |
| Statsend: | 1905 |
| Years1: | 1905 |
| Games Goals1: | 11 (0) |
John James McCarthy (22 April 1884 – 29 June 1939) was an Australian rules footballer who played for St Kilda in the Victorian Football League (VFL).[1]