| Jack Bavin | |
| Fullname: | John Graham Bavin |
| Birth Date: | 15 August 1917 |
| Birth Place: | Mount Gambier, South Australia |
| Death Place: | Adelaide, South Australia |
| Originalteam: | Narracoorte & Mount Gambier |
| Height: | 183 cm |
| Weight: | 82 kg |
| Statsend: | 1940 |
| Years1: | 1940 |
| Games Goals1: | 5 (1) |
John Graham Bavin (15 August 1917 – 14 May 1972)[1] was an Australian rules footballer who played with Carlton in the Victorian Football League (VFL).[2]