| Liu Baiyu | |
| Native Name: | 刘白羽 |
| Native Name Lang: | zh |
| Birth Name: | Liu Yuzan (刘玉赞) |
| Birth Date: | 2 September 1916 |
| Birth Place: | Beijing, China |
| Death Place: | Beijing, China |
| Occupation: | Novelist |
| Nationality: | Chinese |
| Language: | Chinese |
| Period: | 1949 - 2000 |
| Genre: | Novel |
| Notableworks: | The Second Sun |
Liu Baiyu (; 2 September 1916 – 24 August 2005), born Liu Yuzan in Beijing, was a Chinese writer who took an orthodox Communist line on writing issues. He opposed "Western bourgeois values", influencing Chinese literature.[1]