John Cosnett (11 June 1951 – 23 April 2018) was an English professional darts player who competed in the 1980s and 1990s.
[1] Cosnett won the 1984 British Open, beating Welshman Peter Locke in the final.
[2] Despite winning one of the biggest prizes in the history of professional darts, Cosnett never managed to meet his new-found expectations, which took him to #16 in the World Rankings.
He also competed in the 1985 Winmau World Masters, defeating Keith Deller in the first round, before losing to Steve Gittins in the last 16 stage.
John appeared on ITV's Bullseye in 1985 as the celebrity darts player, and made the highest score of the series – 361.