| Graham Hamilton | |
| Fullname: | Grahame Thomas Hamilton |
| Nationality: | Australian |
| Birth Date: | 6 September 1939 |
| Birth Place: | Sydney, Australia |
Grahame Thomas Hamilton (6 September 1939 – 25 June 1989) was an Australian swimmer. He competed in the men's 4 × 200-metre freestyle relay at the 1956 Summer Olympics.[1] His mother, Edna Davey was also an Olympic swimmer, competing in two events at the 1928 Summer Olympics.