Ng On-yee BBS MH (Chinese: 吳安儀; born 17 November 1990) is a Hong Kong professional snooker player who has won three IBSF World Snooker Championships and three World Women's Snooker world championships. She held the number one position in the World Women's Snooker world ranking list from February 2018 to April 2019. Ng took up snooker at the age of 13 after being impressed by her father's skill at the game. She has been supported by the Hong Kong Sports Institute since 2010. Her highest break in competition is 139, which she achieved at the 2018 Australian Women's Open.