| Rhys Mathewson | |
| Nickname: | "Muffo" |
| Birth Date: | 1988 6, df=yes[1] |
| Birth Place: | Hoppers Crossing, Victoria, Australia |
| Hometown: | Hoppers Crossing, Victoria, Australia |
| Laterality: | Right-handed |
| Music: | "Freaks" by Timmy Trumpet ft. Savage |
| Bdo: | 2012– |
| Pdc: | 2016– |
| Currentrank: | (BDO) 218 |
| Tournament: | DPA Australian Pro Tour Russell Stewart Classic |
| Resultyears: | 2017 (x2) 2016 |
Rhys Mathewson (born 20 June 1988) is an Australian professional darts player who plays in World Darts Federation (WDF) and Professional Darts Corporation (PDC) events.
He made his television debut in the 2016 Sydney Darts Masters, where he caused a shock by beating James Wade in a last-leg decider, before losing to Peter Wright in the quarter-finals.
Earlier that year, he won the Russell Stewart Classic, and in 2017, he won two DPA Australian Pro Tour events.