John O'Shea

John O'Shea (born 24 July 1975) is an Irish darts player who formerly competed in Professional Darts Corporation (PDC) events. Formerly known as "Seboy", O'Shea is now nicknamed "the Joker". He won the 2019 World Masters.

Career O'Shea started playing darts at the age of 16. He won two All-Ireland darts titles with Cork and a European bronze medal playing for Ireland.

O'Shea had his biggest career win at the 2019 World Masters, where he defeated Scott Waites 6–4 in the final. He became the first Irish player to be crowned champion in the tournament's history. Originally ranked number 219 in the British Darts Organisation rankings, he rose to number 59 and also earned qualification for the 2020 BDO World Darts Championship. At the BDO World Championship, he lost 3–2 to Andreas Harrysson in the preliminary round.

O'Shea earned a two-year PDC Tour Card at 2022 Q-School after finishing ninth in the UK Q-School Order of Merit. He reached his first PDC ranking final in Players Championship 14, losing 7–4 to Michael Smith.

He made his PDC World Darts Championship debut at the 2023 World Championship, but lost 3–2 to Darius Labanauskas in the first round.

Personal life O'Shea lives in Farranree with his wife and four children.