Ng Kwan-yau (; born 19 February 1997) is a Hong Kong female tennis player.
As a professional tennis player, she has a career-high doubles ranking by the Women's Tennis Association (WTA) of 452, achieved February 2020.
Playing for Hong Kong Fed Cup team, she has a career winâÂÂloss record of 6âÂÂ5.
Ng made her WTA Tour main-draw debut at the 2016 Guangzhou International Open, where she lost to Sabine Lisicki in the first round.