Rhian Griffiths (born 30 September 1980) is a Welsh darts player who competed in British Darts Organisation (BDO) and World Darts Federation (WDF) events.
Griffiths reached the semi-finals of the 2016 BDO World Trophy, losing to Deta Hedman 6âÂÂ1. She qualified for the 2017 BDO World Darts Championship, where she lost to Anastasia Dobromyslova in the last 16.