What is Rao?
{{wikt|Rao}} __NOTOC__ '''Rao''' or '''RAO''' may refer to: == Geography== * [[Rao, West Sumatra]], one of the districts of West Sumatra, Indonesia * [[Råö]], a locality in Kungsbacka Municipality, Halland County, Sweden * [[Rao Arrondissement]] in [[Senegal]] * [[Rao, Senegal]], the seat of the arrondissement == Transport == * [[Dr. Leite Lopes–Ribeirão Preto State Airport]] , IATA code RAO, serving Ribeirão Preto, Brazil == Fictional entities == * [[Rao (comics)]], a fictional star in the DC Universe; Superman's planet Krypton revolved around it * [[Rao (Greyhawk)|Rao (''Greyhawk'')]], god of peace, reason, and serenity in ''Dungeons & Dragons: World of Greyhawk'' * ''Raō'', the Japanese name for [[Raoh]], a character in ''Fist of the North Star'' ==Mathematics== * [[Cramér–Rao bound]], a statistical concept * [[Rao–Blackwell theorem]], a theorem in statistics == Science == * [[Rao (insect)|''Rao'' (insect)]], a genus of wasps in the subfamily Platygastrinae * [[Recent African origin of modern humans]] (RAO), a paleoanthropological theory * [[Recurrent airway obstruction]] (RAO), a respiratory disease in horses * [[Response amplitude operator]] (RAO), a function relating a response to an input given the input frequency ==Titles== *[[Rao (title)]], cognate Hindi variations of the (originally Hindu) title Raja(h) * [[Rao Bahadur]], a title of honour issued by the British in India ==Other uses== * [[Rai (disambiguation)]] * [[Ray (disambiguation)]] * [[Rau (disambiguation)]] * [[Rao (Indian surname)]] * [[Rao (Chinese surname)]] * [[Rao language]] * [[Rao's]], an Italian restaurant in New York City, USA named after its founder, Joshua Anthony Rao {{disambiguation|geo}}