The 2009 Winmau World Masters was the fourth major tournament on the BDO/WDF calendar for 2009. It took place from September 4–6 in the Bridlington Spa Royal Hall. It was shown on the BBC. The men's final was won by Martin Adams, who beat Robbie Green by 7 sets to 6. The women's final was won by Linda Ithurralde, who beat Trina Gulliver by 4 legs to 3.