Li Xian may refer to:
- Emperor Mozhu of Western Xia (r. 1226–1227), name Li Xian (李睍), Tangut emperor
- Emperor Zhongzong of Tang (656–710), name Li Xian (李顯), Tang Dynasty emperor
- Li Chengqi (679-742), also known as Li Xian (李憲), Tang Dynasty prince, son of Emperor Ruizong
- Li Xian (chancellor) (709-766; 李峴), Tang Dynasty official
- Li Xian (Tang Dynasty prince) (653–684; 李賢), Tang Dynasty prince, son of Emperor Gaozong
- Li Xian (Xin Dynasty) (李憲; died 30), Xin Dynasty general