| Roy Farmer | |
| Fullname: | Robert Roy Farmer |
| Birth Date: | 7 December 1892 |
| Birth Place: | Mirboo North, Victoria |
| Death Place: | Dumbalk, Victoria |
| Originalteam: | Queen's College / Mirboo North |
| Height: | 182 cm |
| Weight: | 86 kg |
| Statsend: | 1914 |
| Years1: | 1914 |
| Games Goals1: | 8 (2) |
Robert Roy Farmer (7 December 1892 – 1 April 1951) was an Australian rules footballer who played with St Kilda in the Victorian Football League (VFL).[1]