| Liu Xiaoyu | |
| Position: | Point guard |
| Height Ft: | 6 |
| Height In: | 2 |
| Weight Lb: | 170 |
| League: | CBA |
| Team: | Beijing Royal Fighters |
| Number: | 19 |
| Birth Date: | 14 March 1989 |
| Birth Place: | Changchun, Jilin, China |
| Draft Year: | 2013 |
| Career Start: | 2008 |
| Years1: | 2008–2015 |
| Team1: | Guangdong Southern Tigers |
| Years2: | 2015–2017 |
| Team2: | Shanghai Sharks |
| Years3: | 2017–2022 |
| Team3: | Beijing Ducks |
| Years4: | 2023–present |
| Team4: | Beijing Royal Fighters |
Liu Xiaoyu (; born on 14 March 1989) is a Chinese professional basketball player for the Beijing Royal Fighters of the Chinese Basketball Association (CBA). He is a member of the Chinese men's national basketball team and played multiple international tournaments including the 2013 FIBA Asia Championship, 2014 Asian Games and 2017 FIBA Asia Cup.
In 2022, Liu signed with the Bay Area Dragons,[1] but he didn't play any games.