| Bob Monar | |
| Fullname: | Harold Robert Monar |
| Birth Date: | 31 August 1884 |
| Birth Place: | Fitzroy, Victoria |
| Death Place: | Kensington, Victoria |
| Originalteam: | Williamstown |
| Statsend: | 1911 |
| Years1: | 1910–11 |
| Games Goals1: | 12 (3) |
Harold Robert Monar (31 August 1884 – 20 September 1963) was an Australian rules footballer who played with St Kilda in the Victorian Football League (VFL).[1]