Li Xiao (born Li Xiaotang on 28 July 1950) is a Chinese writer based in Shanghai. He is the son of writer Ba Jin.
Born in Shanghai, Li worked in the countryside of Anhui during the Cultural Revolution for 8 years as a sent-down youth. After the Cultural Revolution, Li attended Fudan University.
Li Xiao's 1994 novel Rules of a Clan () was adapted into a 1995 film Shanghai Triad directed by Zhang Yimou.