Li Ao, may refer to:
Li Ao (philosopher) (; 772–841), Chinese philosopher and prose writer of the Tang dynasty.
Li Ao (; 1935–2018), Chinese-Taiwanese writer, social commentator, historian and independent politician.
Li Ao (academician) (; 1917–1999), Chinese engineer specializing in burn and trauma, and an academician of the Chinese Academy of Engineering. Ao Li (; 1988–), Chinese operatic singer.