title: ARI
text: # ARI
  
  ARI may refer to:
  
  ## Organizations
  
  * Acoustics Research Institute of the Austrian Academy of Sciences
  * Civic Coalition ARI, a political party in Argentina
  * 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
  
  ## Other uses
  
  * Chacalluta International Airport in Arica, Chile (IATA code)
  * Aberdeen Royal Infirmary, Scotland
  * Acute respiratory infection
  * Adjusted Rand Index, a clustering metric
  * A common abbreviation for the U.S. state of Arizona and its major professional sports teams
     * Arizona Cardinals of the National Football League
     * Arizona Diamondbacks of Major League Baseball
     * Arizona Coyotes of the National Hockey League
  * Autofahrer-Rundfunk-Informationssystem, former German radio traffic broadcasts
  * Automated Readability Index
  