Sir Wiwa Korowi GCMG (born 7 July 1948) is a Papua New Guinean politician who served as the sixth governor-general of Papua New Guinea from November 1991 until November 1997.

Sir Wiwa is from the Southern Highlands. He was a member of the Nationalist Party and was voted by the Parliament to the position of governor-general on 18 November 1991, to fill the position after Vincent Eri had vacated roughly one and a half months earlier.