| Maria O'Brien | |
|---|---|
| Personal information | |
| Nickname | "OB" |
| Born | 14 May 1970 Plymouth, England |
| Home town | Plymouth, England |
| Darts information | |
| Playing darts since | 1991 |
| Laterality | Left-handed |
| Walk-on music | Maria by Blondie |
| Organisation (see split in darts) | |
| BDO | 2016–2020 |
| WDF | 2016– |
| Current world ranking | (WDF W) NR (7 November 2025) [1] |
| WDF major events – best performances | |
| World Championship | Semi Final: 2019 |
| World Masters | Semi Final: 2016 |
| World Trophy | Quarter Final: 2018, 2019 |
Maria O'Brien (born 14 May 1970) is an English darts player who plays in World Darts Federation (WDF) events.
O'Brien reached the Semi-Final of the World Masters in 2016. In 2017, she reached the Last 16 of the BDO World Trophy and won the Romanian Classic. She qualified for the 2018 BDO World Darts Championship as the 13th seed, facing Sharon Prins in the last 16, where she lost 0–2.