| Leo Monaghan | |
| Fullname: | Leo Patrick Monaghan |
| Birth Date: | 22 August 1916 |
| Birth Place: | Culcairn, New South Wales |
| Originalteam: | Culcairn |
| Height: | 180 cm |
| Weight: | 86 kg |
| Position: | Defence |
| Statsend: | 1948 |
| Years1: | 1935 |
| Games Goals1: | 2 (0) |
| Years2: | 1936, 1938, 1941–44, 1947–48 |
| Games Goals2: | 52 (20) |
| Games Goalstotal: | 54 (20) |
Leo Patrick Monaghan (22 August 1916 – 23 March 1996) was an Australian rules footballer who played with South Melbourne and Fitzroy in the Victorian Football League (VFL).[1]