MRO

MRO or Mro may refer to:

People

• Mru (disambiguation), peoples and languages also known as Mro
• Mary Rambaran-Olm, Canadian literary historian

Locations

• Hood Aerodrome (IATA code MRO), near Masterton, New Zealand
• Marlborough (disambiguation), some cities named Marlborough use MRO as an abbreviation
• Magdalena Ridge Observatory, a multi-use astronomical observatory near Socorro, New Mexico, United States
• Morradoo railway station, Melbourne
• Murchison Radio-astronomy Observatory in outback Western Australia, one of the Square Kilometre Array core sites

Companies

• Hokuriku Broadcasting Company, also known as MRO, a broadcasting station in Ishikawa Prefecture, Japan
• Marathon Oil Corporation, listed on the New York Stock Exchange as MRO
• Melrose Industries, listed on the London Stock Exchange as MRO
• MRO Software, a software company best known for its Maximo maintenance management system

Organisations

• Middlesex Record Office, former historical organisation, merged into the current-day London Metropolitan Archives in 1965
• Midwest Reliability Organization, an electrical grid reliability organization
• Oriental Revolutionary Movement (Movimiento Revolucionario Oriental), a Marxist–Leninist communist party in Uruguay
• Mountains and Rivers Order, headquartered at the Zen Mountain Monastery in Mount Tremper, New York
• Macedonian Revolutionary Organization, a revolutionary national liberation organization
• Metsähovi Radio Observatory, an astronomical radio observatory in Kirkkonummi, Finland

Operations and techniques

• Maintenance, repair and operations (or overhaul), fixing or maintaining any sort of mechanical, plumbing or electrical equipment
• Main refinancing operations, a technique used by the European Central Bank to control the money supply
• Medical Review Office, the entity in which a medical professional reviews the results of a drug test. This professional may also have the title of Medical Review Officer.

Linguistics

• Mro language (ISO 639 code: cmr), a Kukish language of Burma
• Mru language (ISO 639 code: mro), a Sino-Tibetan language of Bangladesh
• Mro (Unicode block), the Unicode block containing characters for writing the Bangladesh Mru language

Other uses

• Mars Reconnaissance Orbiter, a NASA Mars probe
• Mini Racing Online, an arcade-style, freeware online multiplayer racing game
• The ISO 4217 code for the Mauritanian ouguiya, the currency of Mauritania
• MRO-A, MRO-D, MRO-Z; the MRO-series of RPG weapons
• Mitochondrion-related organelle

See also

• Mr. O (Canadian TV show), 1950s children's show