__NOTOC__ 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

Transport

Dr. Leite Lopes–Ribeirão Preto State Airport Dr. Leite Lopes State Airport is the airport serving Ribeirão Preto, Brazil. It is operated by Rede Voa. History Dr. Leite Lopes State Airport was opened on April 2, 1939, and soon after, in 1940, the runway was extended for the first time. I ...

, 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''), 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), 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

Rao (Indian surname) Rao is a title and a surname native to India. It is used mostly in states of Gujarat, Haryana, Rajasthan, Andhra Pradesh, Telangana, Karnataka and Maharashtra. As a surname Notable people with this surname or title include the following: Pre- ...

* Rao (Chinese surname) * Rao language * Rao's, an Italian restaurant in New York City, USA named after its founder, Joshua Anthony Rao {{disambiguation, geo