Fan Zhengyi
| Born | 27 January 2001 Harbin, Heilongjiang, China | 
|---|---|
| Sport country | China | 
| Nickname | Fan-tastic | 
| Professional | 2018–present | 
| Highest ranking | 29 (October 2023) | 
| Current ranking | 48 (as of 5 May 2025) | 
| Maximum breaks | 1 | 
| Tournament wins | |
| Ranking | 1 | 
| Fan Zhengyi | |||||||||||||
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| Simplified Chinese | 范争一 | ||||||||||||
| Traditional Chinese | 範爭一 | ||||||||||||
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Fan Zhengyi (Chinese: 范争一; born 27 January 2001) is a Chinese professional snooker player. He won the IBSF World Under-21 Snooker Championship in 2017, and turned professional in 2018. He had a breakthrough season in 2021–22 when he reached his first ranking quarter-final at the 2022 German Masters and then won his first ranking title at the 2022 European Masters, defeating then six-time world champion Ronnie O'Sullivan 10–9 in the final. He became the fifth Chinese player to win a ranking title, following Ding Junhui, Liang Wenbo, Yan Bingtao, and Zhao Xintong.