Ru ru or RU may refer to: ISO 3166-1 alpha-2 country code for Russia R () the entering tone in Chinese language phonetics R () Chinese language term for Confucianism Ru (kana) romanisation of the Japanese kana and  ; the same letters are used to substitute an L preceding a consonant when transliterating Latin script words to Katakana. R () a river in Henan Rack unit a measurement of the height electronic equipment installed in 19 inch racks Rugby union Chemical symbol for the element ruthenium IATA airline code for AirBridge Cargo ISO 639 alpha-2 code for the Russian language .ru the Internet country code top-level domain for Russia The "backwards-R U" Recognized Component Mark of Underwriters Laboratories Educational institutions

RU may stand for the following universities: Radboud University Nijmegen in Nijmegen Netherlands Radford University in Virginia USA Rajshahi University in Bangladesh Ramkhamhaeng University in Thailand Regis University in Colorado USA Reykjavk University Iceland Rhodes University in Grahamstown South Africa Rockefeller University in New York USA Rockhurst University in Missouri USA Roosevelt University in Chicago Illinois USA Rowan University in New Jersey USA Ruse University in Bulgaria Rutgers University in New Jersey USA Ryerson University in Ontario Canada This disambiguation page lists articles associated with the same title. If an internal link led you here you may wish to change the link to point directly to the intended article.