Oru

ORU, Oru or Õru can refer to:


 * Orbital replacement unit, used on the International Space Station
 * Orbital replacement unit (HST), used on the Hubble Space Telescope
 * Oral Roberts University, a university in south Tulsa, Oklahoma
 * Orange & Rockland Utilities, a subsidiary of Consolidated Edison in New York
 * Otago Rugby Union
 * Oru, polite Japanese verb- see keigo
 * Observational Results (Unsolicited), a message type of the Health Level 7 standard.
 * Juan Mendoza Airport, with IATA code ORU

Places in Estonia

 * Oru, Kohtla-Järve, an exclave district of Kohtla-Järve
 * Oru, Lääne County, village in Lääne-Nigula Parish, Lääne County
 * Oru, Lääne-Viru County, village in Viru-Nigula Parish, Lääne-Viru County
 * Oru, Harju County, village in Kose Parish, Harju County
 * Õru, small borough in Valga Parish, Valga County
 * Oru Palace, former presidential residence in Toila, Ida-Viru County
 * Oru Parish, former municipality in Lääne County
 * Õru Parish, former municipality in Valga County