Quah Kim Song (Chinese: 柯金松; pinyin: Kē Jīnsōng) is a Singaporean footballer, part of the footballing Quah family.
Quah's swift agility earned him the nickname "Mercurial Speed Demon" by fans and media. Quah was named Footballer of the Year in 1974 and Player of the Year in 1976.
He is currently the FAS/S.League's Director of Competitions. He was also part of the Singapore national football team, and has played at Burnley United FC and Tampines Rovers.
He and two of his brothers Kim Siah and Kim Swee played for Singapore, while another brother Kim Tiong was a triple jumper.
He is also known to be a devout Catholic and attends St. Mary of the Angels Church at Bukit Batok