Willem Abraham Viljoen (born 5 March 1985) is a South African badminton player. He competed for South Africa at the 2012 London Summer Olympics, and at the Glasgow 2014 Commonwealth Games. At the All-African Games, he has collected 2 golds and six silvers. Her sister Annari Viljoen also the Olympian who was competed in London 2012.
Men's doubles
Mixed doubles
Men's singles
Men's doubles
Mixed doubles
Men's singles
Men's doubles
Mixed doubles