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.
O'Sullivan was a quarter finalist in the 2009 Women's World Masters. She qualified for her first BDO Women's World Championship in 2010. She defeated fellow Welshwoman Julie Gore 2âÂÂ0 in the quarter-finals, and Karen Lawman 2âÂÂ0 in the semi-finals. In the final, she was beaten 0âÂÂ2 by Trina Gulliver.
In 2011, she again reached the World Championship final after victories over Gore in the quarter-finals and Deta Hedman in the semi-finals. She was beaten 0âÂÂ2 by Gulliver for the second final in a row.
In 2012, O'Sullivan was defeated in the first round by top seed and eventual runner-up Hedman. She hit the highest checkout (155) recorded in the history of the women's world finals. The record was beaten in 2014.
In 2023 O'Sullivan qualified for the Women's World Matchplay for the first time. She lost in the quarter-finals 3âÂÂ4 to Robyn Byrne.
O'Sullivan is not a full-time professional darts player, and works as a childcare nursery nurse.
WDF
PDC