ARI may refer to:

Organizations

* Acoustics Research Institute of the Austrian Academy of Sciences *

Civic Coalition ARI Civic Coalition ARI (, CC-ARI), until October 2009 known as Support for an Egalitarian Republic (, ARI), is a centrist political party in Argentina founded in 2002 by Elisa Carrió. It is a member of Cambiemos since 2015, along with centrist a ...

, 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 The Astronomical Calculation Institute (; ARI) is a research institute in Heidelberg, Germany, with origins dating back from the 1700s. Beginning in 2005, the ARI became part of the Center for Astronomy at Heidelberg University (', ). Previous ...

, an institute based in Heidelberg, Germany * Astrophysics Research Institute, Merseyside, England * Autism Research Institute * Avicenna Research Institute, an Iranian biotechnology institute *

Ayn Rand Institute The Ayn Rand Institute: The Center for the Advancement of Objectivism, commonly known as the Ayn Rand Institute (ARI), is a 501(c)(3) nonprofit think tank in Santa Ana, California, that promotes Objectivism, the philosophy developed by Ayn Ran ...

, promoting Objectivism

Other uses

* Chacalluta International Airport in Arica, Chile (IATA code) *

Aberdeen Royal Infirmary Aberdeen Royal Infirmary is the largest hospital in the Grampian area, located on the Foresterhill site in Aberdeen, Scotland. ARI is a teaching hospital with around 900 inpatient beds, offering tertiary care for a population of over 600,000 acr ...

, Scotland *

Acute respiratory infection Influenza-like illness (ILI), also known as flu-like syndrome or flu-like symptoms, is a medical diagnosis of possible influenza or other illness causing a set of common symptoms. These include fever, shivering, chills, malaise, dry cough, loss ...

Adjusted Rand Index The Rand index or Rand measure (named after William M. Rand) in statistics, and in particular in data clustering, is a measure of the similarity between two data clusterings. A form of the Rand index may be defined that is adjusted for the chance ...

, a clustering metric * A common abbreviation for the U.S. state of

Arizona Arizona is a U.S. state, state in the Southwestern United States, Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah. It also borders Nevada to the nort ...

and its major professional sports teams **

Arizona Cardinals The Arizona Cardinals are a professional American football team based in the Phoenix metropolitan area. The Cardinals compete in the National Football League (NFL) as a member of the National Football Conference (NFC) NFC West, West division. The ...

of the

National Football League The National Football League (NFL) is a Professional gridiron football, professional American football league in the United States. Composed of 32 teams, it is divided equally between the American Football Conference (AFC) and the National ...

Arizona Diamondbacks The Arizona Diamondbacks are an American professional baseball team based in Phoenix, Arizona. The Diamondbacks compete in Major League Baseball (MLB) as a member club of the National League (NL) West Division. The franchise was established ...

Major League Baseball Major League Baseball (MLB) is a professional baseball league composed of 30 teams, divided equally between the National League (baseball), National League (NL) and the American League (AL), with 29 in the United States and 1 in Canada. MLB i ...

Arizona Coyotes The Arizona Coyotes are an inactive professional ice hockey team based in the Phoenix metropolitan area. They competed in the National Hockey League (NHL) as a member of the Central Division (NHL), Central Division (1996–1998, 2021–2024) and ...

of the

National Hockey League The National Hockey League (NHL; , ''LNH'') is a professional ice hockey league in North America composed of 32 teams25 in the United States and 7 in Canada. The NHL is one of the major professional sports leagues in the United States and Cana ...

* Autofahrer-Rundfunk-Informationssystem, former German radio traffic broadcasts * Automated Readability Index

Organizations

Other uses

See also