| Playername: | Damien Mostyn |
| Birth Date: | 1978 8, df=yes |
| Birth Place: | Sydney |
| Height: | 189 cm |
| Weight: | 94 kg |
| Club1: | Sydney City Roosters |
| Year1start: | 1997 |
| Appearances1: | 2 |
| Tries1: | 0 |
| Goals1: | 0 |
| Fieldgoals1: | 0 |
| Points1: | 0 |
| Club2: | Cronulla Sharks |
| Year2start: | 2001 |
| Appearances2: | 8 |
| Tries2: | 6 |
| Goals2: | 0 |
| Fieldgoals2: | 0 |
| Points2: | 24 |
| Updated: | 14 September 2016 |
| Source: | [1] |
| New: | yes |
Damien Mostyn (born 26 August 1978, in Australia) is an Australian former professional rugby league footballer who played first-grade for the Sydney City Roosters and Cronulla Sharks. He played as a fullback or wing.[2]