| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Dean•Semmens | |
| Used name | Dean•Semmens | |
| Born | 22 November 1979 in Sydney, New South Wales |  AUS |
| Measurements | 188 cm / 89 kg | |
| Affiliations | CN Sant Andreu — Barcelona, Barcelona |  ESP |
| NOC | Australia | AUS |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2004 Summer Olympics | Water Polo (Aquatics) | AUS |
Dean Semmens | |||
| Water Polo, Men (Olympic) | Australia | 9 |
