 Ng in 2017 | ||||||||||||||||||||||||||||||
| Born | 17 November 1990 British Hong Kong | |||||||||||||||||||||||||||||
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| Sport country |  Hong Kong | |||||||||||||||||||||||||||||
| Professional | 2021–2023 | |||||||||||||||||||||||||||||
| Highest ranking | World Women's Snooker: 1 | |||||||||||||||||||||||||||||
| Current ranking | (as of 28 October 2024) | |||||||||||||||||||||||||||||
Medal record
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| Ng On-yee | |||||||||||||
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| Traditional Chinese | 吳安儀 | ||||||||||||
| Simplified Chinese | 吴安仪 | ||||||||||||
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Ng On-yee BBS MH (Chinese: 吳安儀; born 17 November 1990) is a Hong Kong 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.
After competing in several International Billiards and Snooker Federation (IBSF) tournaments, Ng became the youngest-ever IBSF women's world champion at the age of 19 and successfully defended the title the following year. At the 2015 World Ladies Snooker Championship she defeated Reanne Evans—who had held the title for the previous ten years—in the semi-final and won the title. After losing the final of the same tournament to Evans the following year, Ng regained the title in 2017, defeating Evans 5–4 in the semi-final and overcoming Vidya Pillai 6–5 in the protracted final. In 2018, Ng won the title for a third time and in 2019 she collected her third IBSF World Title.
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.