Wong Ka kui also known as Koma Wong, was a Hong Kong singer, songwriter and actor, best known as the leader and co-founder of the rock band Beyond, for which he was the lead vocalist, rhythm guitarist and principal songwriter. He wrote a few award-winning lyrics.

During the rehearsal of a game show for Fuji Television in Tokyo, Japan on 24 June 1993, Wong Ka Kui fell off a three-metre platform head first, and died six days later from head injuries.