| Johnny Hart | |
| Fullname: | John Alexander Hart |
| Birth Date: | 1 October 1888 |
| Birth Place: | Eganstown, Victoria |
| Death Place: | Seddon, Victoria |
| Statsend: | 1911 |
| Years1: | 1911 |
| Games Goals1: | 4 (0) |
John Alexander Hart (1 October 1888 – 20 February 1966) was an Australian rules footballer who played with Essendon in the Victorian Football League (VFL).[1]