Yun Junsang (born 20 November 1987) is a professional Go player.
Yun broke a record in 2002 when he qualified for the first round of the 7th LG Cup.
It was the shortest time between becoming a pro and entering an international tournament (3 months).
In 2007, he won the Guksu title 3 to 1 over Lee Chang-ho.
This biographical article relating to a South Korean Go figure is a stub.