ARI

ARI may refer to:

==Organizations== Acoustics Research Institute of the Austrian Academy of Sciences Civic Coalition ARI, a political party in Argentina Aer Rianta International, an Irish state owned global airport retailing company. American Refrigerant Institute, North America Angel Resource Institute Arthur Rylah Institute for Environmental Research, Victoria, Australia Associazione Radioamatori Italiani, Italian amateur radio association Astronomisches Rechen-Institut, an institute based in Heidelberg, Germany Astrophysics Research Institute, Merseyside, England Autism Research Institute Avicenna Research Institute, an Iranian biotechnology institute Ayn Rand Institute, promoting Objectivism