aro

• Aro (surname)
• Aro people, an Igbo subgroup in West Africa
• Aro (murderer) (died 1957), last person executed in Papua New Guinea
• Aro (Twilight), a character in the Twilight saga by Stephenie Meyer
• Aro, a deity in Igbo mythology
• ARO, stage name for actress/musician Aimee Osbourne

• Årø (Denmark), a small island in the Lillebælt in Denmark
• Årø, Norway, a neighborhood of Molde
• Aro, Papua New Guinea, a village in Morobe Province
• Aro River, a tributary of the Orinoco River in Venezuela

• ARO (company) (Auto Romania), defunct off-road vehicle manufacturer
• ARO (building), one of the tallest buildings in New York City
• Aro Confederacy, a precolonial Igbo trading oligarchy in West Africa
• Aro gTér, a lineage within Tibetan Buddhism
• Abbreviation of aromantic, a lack of romantic orientation
• Algonquin Radio Observatory, a radio telescope research facility in Ontario, Canada
• Arctic Research Office, a division of the US NOAA
• Army Research Office, a department of the United States Army Research Laboratory
• Average rate option, a type of financial instrument
• Annual rate of occurrence, risk management term for yearly number of times an event occurs
• Asset retirement obligation, a financial liability which provides for future disposal of assets
• Authentic Renewal Organization, a Venezuelan political party
• Agricultural Research Organization, of the Israeli Ministry of Agriculture
• American Riviera Orchard, an American lifestyle brand
• the former stock ticker symbol for Aéropostale
• Azure Red Hat OpenShift, a computer server type runtime platform for cloud based software projects
• The Aari language, an Omotic language of Ethiopia
• ATS Reporting Office, a component of the air traffic service

• Aero (disambiguation)
• Årø (disambiguation)
• Aros (disambiguation)

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