Kao may refer to:
Places Kao, Indonesia, a town Kao, Lesotho, a community council Kao, Niger, a village and rural commune Kao, Togo, a village Kao (island), Tonga Kao (crater), a lunar crater
People Gao (surname), sometimes romanized as Kao, including a list of Chinese people with the surname Kao Kao Kim Hourn (born 1966), Cambodian government official and Secretary-General of the Association of Southeast Asian Nations R. N. Kao (1918–2002), Indian spymaster, first chief of India's external intelligence agency, the Research and Analysis Wing King Kao of Zhou (died 426 BC), 31st king of the Chinese Zhou dynasty Kaō (painter), Japanese painter Kaō Ninga () Jirayu La-ongmanee (born 1995), Thai actor and singer
Acronym Kuiper Airborne Observatory Keith-Albee-Orpheum, abbreviated KAO or K-A-O, owners of an American chain of vaudeville and motion picture theatres Communist Workers Organisation (Netherlands) (Kommunistische Arbeidersorganisatie)
Other uses Huaya, romanized as Kaō, stylized signatures or marks used in East Asian cultures in place of a true signature Kaō (era), a Japanese era name Kao Corporation, a Japanese chemical and cosmetics company Kao language, of Indonesia Kao (bull), a divine bull in Meitei mythology Kao (film), a 2000 film by Junji Sakamoto Kao the Kangaroo, a series of video games Kuusamo Airport, Finland, IATA airport code
See also Käo (disambiguation) Kappa Alpha Theta (ΚΑΘ), a National Panhellenic Conference sorority