Yelü Lihu (耶律李胡) (911-960), also named Honggu (洪古), courtesy name Xiyin (奚隱), formally Emperor Zhangsu (章肅皇帝), was an imperial prince of the Khitan-led Liao dynasty. As the third son of Liao's founding emperor Emperor Taizu (Yelü Abaoji) and his wife Empress Shulü Ping, Yelü Lihu served as crown prince during the reign of his older brother Emperor Taizong (Yelü Deguang), who was their second son, as Empress Shulü wanted him to be emperor after Emperor Taizong. However, after Emperor Taizong's death, their older brother Yelü Bei's son Yelü Ruan was able to defeat Yelü Lihu in battle and take the throne. Yelü Lihu was put under arrest and later died while under arrest.
