# ARC

ARC may refer to:

## Business

* Aircraft Radio Corporation, a major avionics manufacturer from the 1920s to the '50s
* Airlines Reporting Corporation, an airline-owned company that provides ticket distribution, reporting, and settlement services
* Airport Regions Conference, a European organization of major airports
* Alignment Research Center, an AI alignment research organization
* Amalgamated Roadstone Corporation, a British stone quarrying company
* American Record Company (1904–1908, re-activated 1979), one of two United States record labels by this name
* American Record Corporation (1929–1938), a United States record label also known as American Record Company
* ARC (American Recording Company) (1978-present), a vanity label for Earth, Wind & Fire
* ARC Document Solutions, a company based in California, formerly American Reprographics Company
* Amey Roadstone Construction, a former British construction company
* Aqaba Railway Corporation, a freight railway in Jordan
* ARC/Architectural Resources Cambridge, Inc., Cambridge, Massachusetts
* ARC Diversified, a Cookeville, Tennessee non-profit that employs the severely disabled
* ARC International, a computer processor designer, and a subsidiary of Synopsys
* ARC Resources, a Canadian oil and natural gas company
* Arena Racing Company, a British racecourse owning group

## Computing

* Adaptive replacement cache, a cache management algorithm
* Advanced Resource Connector, middleware for computational grids
* Advanced RISC Computing, a specification
* Google App Runtime for Chrome, a compatibility layer and sandboxing technology to run Android applications on Chromebook computers
* ARC (file format), a lossless data compression and archival file format
* Automatic Relay Computer, an early electromechanical computer
* ARC (processor), a family of embedded microprocessors
* ARC Macro Language, a high-level algorithmic language
* Audio Return Channel, a feature of HDMI 1.4
* Authenticated Received Chain, an email authentication system
* Automatic Reference Counting, an Objective-C and Swift memory management feature
* Intel Arc, a brand of graphics processing units designed by Intel
* Arc (web browser), a chromium based web browser "reimagination" released in 2022 with a focus on modern design

## Culture

* Advance reading copy of a book, for reviewers, librarians, and booksellers
* A.R.C. (album), a 1971 album by Chick Corea, Dave Holland, and Barry Altschul
* ARC Europe, association of motoring clubs
* ARChive of Contemporary Music, a music repository in New York City, US
* ARC Magazine (Art. Recognition. Culture.), Caribbean
* Art Renewal Center, online realist art museum
* Canadian artist-run centres

## Government and politics

* Administrative Reforms Commission, an Indian Government commission
* Administrative Reform Council, the military regime that governed Thailand following the 2006 coup d'état
* Agence du revenu du Canada, the French-language name for the Canada Revenue Agency
* Alien registration card (Japan), for foreign residents of Japan
* Alien Resident Certificate, for foreign residents of Taiwan
* Appalachian Regional Commission, a United States federal-state partnership
* Atlanta Regional Commission, a regional planning and intergovernmental coordination agency
* Auckland Regional Council, a former New Zealand local government entity
* Australian Research Council, a government agency for allocating research funding
* Autonomous Republic of Crimea, an internationally recognized autonomous republic in Ukraine
* Aviation Royale Canadienne, the French-language name for the Royal Canadian Air Force

## Humanitarian, activist and religious organizations

* Abortion Rights Campaign, Ireland
* African Rainforest Conservancy
* Alliance for Responsible Citizenship
* Alliance of Reformed Churches
* Alliance of Religions and Conservation, UK
* American Red Cross
* American Refugee Committee
* Anti-Recidivism Coalition, Los Angeles, US
* ARC Association for Real Change, of UK providers of services to people with a learning disability
* Arc of the United States
* Arthritis Research Campaign, UK
* Australian Red Cross
* Autism Resource Centre (Singapore), a Singapore-based non-profit organisation
* Society for the Arts, Religion and Contemporary Culture, US
* Alliance Rose Croix, another name for the Order of the Solar Temple

## Research and science

* Agricultural Research Council, a former British organisation that funded agricultural research
* Agulhas Return Current, an ocean current in the Indian Ocean
* AIDS-related complex, a condition in which antibody tests are positive for HIV
* Alberta Research Council, government funded applied R&D corporation
* Allergic rhinoconjunctivitis, inflammation of the conjunctiva and nose due to allergy
* American Rocketry Challenge, an American model rocketry competition for high school students
* Ames Research Center, a NASA facility located at Moffett Federal Airfield, California
* ARC fusion reactor, Affordable, Robust Compact reactor, a reactor design from MIT
* ARC (protein) (activity-regulated cytoskeleton-associated protein)
* Archaeological Review from Cambridge, a UK journal
* Archival Research Catalog, National Archives and Records Administration catalog
* Arcuate nucleus (hypothalamus), an aggregation of neurons in the mediobasal hypothalamus
* Arthritis Research Campaign, a British medical research charity
* Astrophysical Research Consortium, the organization that operates the Apache Point Observatory
* Augmentation Research Center, a center founded by electrical engineer Douglas Engelbart
* Augmented renal clearance, a pharmacokinetic consideration in critically ill persons
* Australian Research Council, the Australian Government's main research funding body for tertiary institutions
* Auto Research Center, a specialized aerodynamics and automotive research and consulting company
* Automation and Remote Control, a Russian periodical
* Aviation Research Centre, a part of the Research and Analysis Wing (R&AW) of the Cabinet Secretariat, India

## Sports

* Adelaide Rowing Club, in Adelaide, South Australia
* African Rally Championship, international automobile rally
* Anteater Recreation Center, an indoor gym at the University of California, Irvine
* American Rivers Conference, an NCAA Division III athletic conference operating mainly in Iowa with one member in Nebraska
* Americas Rugby Championship
* SV ARC (Alphense Racing Club), Alphen aan den Rijn, Netherlands, a Dutch football club
* Athletics–Recreation Center, a 5,000-seat multi-purpose arena on the campus of Valparaiso University in Valparaiso, Indiana
* Atlanta Rowing Club, Roswell, Georgia
* Atlantic Rally for Cruisers, a transatlantic sailing competition
* Australian Rally Championship
* Australian Rugby Championship (August–October 2007), rugby union

## Other uses

* Advanced Recon Commandos (ARC troopers), a variant of clone trooper in the Star Wars franchise
* Anti-reflective coating
* American River College, Sacramento County, California, US
* Academy of Richmond County, Augusta, Georgia, US
* Access to the Region's Core, cancelled commuter rail project, New York, US
* Anaheim Rapid Connection, a proposed streetcar line
* Activity relationship chart, of closeness between activities
* A US Navy hull classification symbol: Cable repair ship (ARC)
* Army Reconnaissance Course, US Army Armor School, Fort Knox, Kentucky
* ARC (Callsign), Colombian Navy abbreviation and ship prefix
* ARC triangle, Affinity, Reality and Communication, in Scientology
* Attack Retrieve Capture, a computer game
* arc, the ISO 639-2 code for the Aramaic language
** Aramaic Wikipedia, which uses "arc" as its url prefix
* Alarm monitoring center, also known as alarm receiving center (ARC)
* ARC West Michigan, an independent digital subchannel of WWMT in Kalamazoo, Michigan