Rhian O'Sullivan
| Rhian O'Sullivan | |||||||||||||||||||||
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O'Sullivan in 2022 | |||||||||||||||||||||
| Personal information | |||||||||||||||||||||
| Born | 20 January 1981 Swansea, Wales | ||||||||||||||||||||
| Home town | Llanelli, Wales | ||||||||||||||||||||
| Darts information | |||||||||||||||||||||
| Playing darts since | 1999 | ||||||||||||||||||||
| Darts | 23g Mission | ||||||||||||||||||||
| Laterality | Right-handed | ||||||||||||||||||||
| Walk-on music | "Yma o Hyd" by Dafydd Iwan ac Ar Log | ||||||||||||||||||||
| Organisation (see split in darts) | |||||||||||||||||||||
| BDO | 2008–2020 | ||||||||||||||||||||
| PDC | 2021–present | ||||||||||||||||||||
| WDF | 2008–present | ||||||||||||||||||||
| Current world ranking | (WDF W) 8 1 (23 February 2026) | ||||||||||||||||||||
| WDF major events – best performances | |||||||||||||||||||||
| World Championship | Runner-up: 2010, 2011 | ||||||||||||||||||||
| World Masters | Runner-up: 2024 | ||||||||||||||||||||
| World Trophy | Last 16: 2018 | ||||||||||||||||||||
| Dutch Open | Winner (1): 2025 | ||||||||||||||||||||
| Other tournament wins | |||||||||||||||||||||
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Medal record
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Rhian O'Sullivan (née Edwards; 20 January 1981) is a Welsh professional darts player who competes in both Professional Darts Corporation (PDC) and World Darts Federation (WDF) events and previously competed in British Darts Organisation (BDO) events. She won her first WDF ranking major title at the 2025 Dutch Open. She is a two-time finalist at the BDO Women's World Championship in 2010 and 2011. She also finished as the runner-up at the 2024 WDF World Masters.