| Jack Jennings | |
| Fullname: | John Jennings |
| Birth Date: | 27 November 1875 |
| Birth Place: | Bendigo, Victoria |
| Death Place: | Brunswick, Victoria |
| Statsend: | 1898 |
| Years1: | 1897–98 |
| Games Goals1: | 13 (1) |
Jack Jennings (27 November 1875 – 2 April 1928) was an Australian rules footballer who played with St Kilda in the Victorian Football League (VFL).[1]