| Roo Dorr | |
| Birth Name: | Rudolf William Dorr[1] |
| Birth Date: | 29 June 1909 |
| Birth Place: | Melbourne, Victoria |
| Ru Position: | Wing |
| Repyears1: | 1936–37 |
| Repteam1: | Wallabies |
| Repcaps1: | 2 |
| Reppoints1: | 0 |
Rudolf William "Roo" Dorr (29 June 1909 – 28 October 1961) was a rugby union player who represented Australia.
Dorr, a wing, was born in Melbourne, Victoria and claimed a total of 2 international rugby caps for Australia.