| Johnny Jennings | |
| Fullname: | John Frederick Jennings |
| Birth Date: | 21 November 1911 |
| Birth Place: | Mysia, Victoria |
| Originalteam: | Old Haileybury |
| Height: | 171 cm |
| Weight: | 70 kg |
| Statsend: | 1937 |
| Years1: | 1936 |
| Games Goals1: | 1 (0) |
| Years2: | 1937 |
| Club2: | Prahran (VFA) |
| Games Goals2: | 4 (0) |
John Frederick Jennings (21 November 1911 – 27 February 1991) was an Australian rules footballer who played with St Kilda in the Victorian Football League (VFL).[1]