| Des Bannon | |
| Birth Name: | Desmond Patrick Bannon[1] |
| Birth Date: | 19 April 1923 |
| Birth Place: | Haberfield, New South Wales |
| Death Place: | Wamberal, New South Wales |
| School: | St Joseph's College[2] |
| Ru Position: | fly-half |
| Repyears1: | 1946 |
| Repteam1: | Wallabies |
| Repcaps1: | 1 |
| Reppoints1: | 0 |
Desmond Patrick Bannon (19 April 1923 - 24 July 2000) was a rugby union player who represented Australia.
Bannon, a fly-half, was born in Haberfield, New South Wales and claimed 1 international rugby cap for Australia.