ARI
Appearance
ARI may refer to:
- ARI, Chacalluta International Airport in Arica, Chile (IATA code)
- Aberdeen Royal Infirmary, a tertiary referral hospital in Aberdeen, Scotland
- Acoustics Research Institute of the Austrian Academy of Sciences
- Acute respiratory infection
- Added Reality Interface, a fictional piece of technology in the video game Heavy Rain
- Adjusted Rand Index, a clustering metric
- Alternative for a Republic of Equals, now known as Civic Coalition ARI, a political party in Argentina
- Alternative Routing-ID Interpretation, an extension to the PCI Express computer input/output standard that supports the virtual machine computing model
- American Refrigerant Institute, a trade association in North America
- Angel Resource Institute
- Arthur Rylah Institute for Environmental Research, an organization conducting environmental research in Victoria, Australia
- Artist-run initiatives
- Associazione Radioamatori Italiani, an amateur radio organization in Italy
- Astronomisches Rechen-Institut, an institute based in Heidelberg, Germany
- Astrophysics Research Institute at Liverpool John Moores University, England
- Astrosociology Research Institute at Huntington Beach, California, USA
- Autism Research Institute, an autism-related organization
- Autofahrer-Rundfunk-Informationssystem, a system formerly used in Germany to indicate traffic announcements on FM radio broadcasts
- Automated Readability Index, a readability algorithm
- Avicenna Research Institute, an Iranian biotechnology research institute
- Ayn Rand Institute, an organization devoted to exposition of Ayn Rand's philosophy, Objectivism
- ARI by Ariana Grande, Ariana Grande's debut fragrance