| Denis Gleeson | |
| Fullname: | Denis John Gleeson |
| Birth Date: | 19 January 1896 |
| Birth Place: | South Melbourne, Victoria |
| Death Place: | Fitzroy, Victoria |
| Originalteam: | Lennox Juniors |
| Statsend: | 1918 |
| Years1: | 1917–18 |
| Games Goals1: | 22 (0) |
Denis John Gleeson (19 January 1896 – 16 November 1970) was an Australian rules footballer who played with Richmond in the Victorian Football League (VFL).[1]