Li Xian (Chinese: 李峴; pinyin: Lǐ Xiàn) (709–766), formally the Duke of Liang (梁公, Liáng Gōng), was a Chinese politician of the Tang Dynasty, serving as a chancellor during the reigns of Emperor Suzong and Emperor Daizong. He was known for his willingness to stand up against the powerful eunuch Li Fuguo and for his mercy toward other officials who had become collaborators with the rebel Yan regime.