| Billy Orr | |
| Fullname: | William Richard Orr |
| Birth Date: | 17 May 1883 |
| Birth Place: | Sale, Victoria |
| Death Place: | Perth, Western Australia |
| Originalteam: | Sale |
| Height: | 175 cm |
| Weight: | 61 kg |
| Statsend: | 1916 |
| Years1: | 1903 |
| Club1: | Carlton |
| Games Goals1: | 1 (0) |
| Years2: | 1904–1905 |
| Club2: | North Fremantle |
| Games Goals2: | 32 (-) |
| Years3: | 1906–1911 |
| Club3: | Perth |
| Games Goals3: | 85 (52) |
| Years4: | 1912–13, 1916 |
| Club4: | Subiaco |
| Games Goals4: | 41 (-) |
William Richard Orr (17 May 1883 – 6 June 1963) was an Australian rules footballer who played with Carlton in the Victorian Football League (VFL).[1] He also played for North Fremantle, Perth and Subiaco in the West Australian Football League (WAFL).[2]