ACC

• Air Combat Command, a major command of the US Air Force headquartered at Langley Air Force Base
• Air Component Commander, the manager and commander of the Royal Australian Air Force's Force Element Groups
• Another Course to College, a pilot school in Boston, Massachusetts, in the US
• Area control center, a type of air traffic control facility
• IATA airport code for Kotoka International Airport in Greater Accra Region, Ghana

• ACC Limited, an Indian cement manufacturer
• ACCBank, an Irish commercial bank
• American Campus Communities, a private student housing provider
• American Chemistry Council, an industry trade association for American chemical companies
• American Credit Corporation, renamed Barclays American
• Asia Cement Corporation, a cement company in Taiwan
• Associated Co-operative Creameries, or one of its successors:
• ACC Milk, part of Dairy Farmers of Britain, and
• Co-operative Retail Logistics, a division of Co-operative Group Ltd
• Association of Corporate Counsel, an organization serving attorneys who practice in the corporate law
• Automotive Cells Company, a manufacturer for EV batteries in europe

• Anglican Catholic Church, a body of Anglican Christians not in the Anglican Communion
• Anglican Church of Canada, a church of the Anglican Communion
• Anglican Consultative Council, an international body of the Anglican Communion
• Apostolic Catholic Church, a self-governing church of Catholic Protestants originating in the Philippines
• Apostolic Christian Church, a church of Anabaptist origins
• Australian Christian Channel, a television channel in Australia
• Australian Christian Churches, also known as Assemblies of God in Australia (AOG)

• Accreditation Committee of Cambodia, higher education quality and assessment body in Cambodia
• Accredited Clinical Coder, a vocational qualification awarded to UK clinical coders
• Adamjee Cantonment College, an institution in Bangladesh.
• Adirondack Community College, now SUNY Adirondack, a two-year college in New York in the US
• Allegany Community College, now Allegany College of Maryland in the US
• Alvin Community College, a community college in Alvin, Texas, in the US
• American College of Cardiology, a non-profit medical organization
• American Craft Council, a non-profit educational organization
• Arapahoe Community College, in Littleton, Colorado, in the US
• Army Cadet College, a defence training establishment in India, now in Dehradun
• Asnuntuck Community College, a community college in Enfield, Connecticut, in the US
• Assiniboine Community College, a community college in Brandon, Manitoba, in Canada
• Atlanta Christian College, now Point University, a university near Atlanta, Georgia, in the US
• Austin Community College, a community college in the Austin, Texas, area in the US

• Allied Clandestine Committee, a 1957 founded NATO organisation
• Accident Compensation Corporation, a New Zealand state insurance agency
• Adelaide City Council, former name of the City of Adelaide, a local government area in the metropolitan area of Adelaide, South Australia
• Allied Control Commission, or Allied Commission, a type of commission consisting of representatives of the major Allied Powers in World War II
• Allied Control Council, a military occupation governing body in Germany after the end of World War II
• Anti Corruption Commission Bangladesh, an independent, semi-governmental commission
• Appointments Committee of the Cabinet, a government committee that decides appointments to several top posts in the Government of India
• Arab Cooperation Council, an Arab economic organization set up as a rival to the Gulf Cooperation Council (GCC)
• Arizona Corporation Commission - a public utility regulator in Arizona
• Army Catering Corps, a corps of the British Army responsible for the feeding of all army units
• Assistant Chief Constable, a British police rank
• Association of Conservative Clubs, an organisation associated with the Conservative Party in the UK
• Australian Crime Commission, former name of one of the components of the Australian Criminal Intelligence Commission
• Asia Culture Center, an arts complex in Gwangju, South Korea.

• Achi language, a Mayan language of Guatemala (ISO 639-3 code ACC)
• {{Smallcaps all|ACC}}, in linguistics, glossing abbreviation for accusative case, used for direct objects
• Advent Children Complete, the director's cut of the 2005 film Final Fantasy VII Advent Children
• American Country Countdown, a weekly syndicated radio program
• Annenberg Center for Communication, a research center at the University of Southern California in the US

• Agenesis of the corpus callosum, a birth defect

• American Conservation Coalition, a nonprofit environmental advocacy organisation
• Americans for Common Cents, a pro-penny lobbying organisation in the US
• Angel City Chorale, a Los Angeles choir
• Anti-Capitalist Convergence, organisations in North America which coordinated activities by the social justice, anarchist and environmentalist anti-capitalists
• Asian Cultural Council, a New York–based foundation promoting cultural exchange between the US and Asia
• The Atlantic Council of Canada, an NGO promoting the North Atlantic Treaty Organization (NATO) in Canada
• Australian Copyright Council, a non-profit organisation dedicated to understanding copyright law

• Agenesis of the corpus callosum, a rare birth defect in which there is a complete or partial absence of the corpus callosum
• ACC, one of the genetic codons of threonine
• Acetyl-CoA carboxylase, an enzyme that turns acetyl-CoA into malonyl-CoA
• Adenoid cystic carcinoma (also abbreviated AdCC), a rare glandular tumor that primarily appears in the salivary glands
• American College of Cardiology, A US-based nonprofit medical association that bestows credentials upon cardiovascular specialists
• 1-Aminocyclopropane-1-carboxylic acid, an intermediate in the biological synthesis of ethylene
• Antarctic Circumpolar Current, an ocean current
• Anterior cingulate cortex, the frontal part of the cingulate cortex
• Anthropogenic climate change, a.k.a. anthropogenic global warming, climate change caused by humans
• Ascending chain condition, a condition in commutative algebra
• ACC (complexity), a hierarchy of complexity classes used in circuit complexity
• Adrenocortical carcinoma, an aggressive cancer originating in the cortex, also called "adrenal cortical carcinoma" or "adrenal cortex cancer"
• Aortic cross-clamp, a surgical instrument used in cardiac surgery to clamp the aorta

• Aberdeenshire Cricket Club, a cricket club based in Aberdeen, Scotland
• ACC Liverpool, an arena and convention centre in Liverpool
• AFC Challenge Cup, an international football competition for Asian Football Confederation (AFC) member countries
• Air Canada Centre, former name of Scotiabank Arena, an arena in Toronto, Ontario, Canada
• Alpine Club of Canada, Canada's national mountaineering organization
• Amway Canadian Championship, an annual soccer tournament contested by Canadian professional teams
• Asian Club Championship, an association football competition organised by the Asian Football Confederation
• Asian Cricket Council, an organisation whose aim is to promote and develop the game of cricket within Asia
• Asian Cycling Confederation, the confederation of cycling's national governing bodies in Asia
• Assetto Corsa Competizione, the official PC racing simulation of the 2018 Blancpain GT Series
• Associated Catholic Colleges, an Australian Schools Sporting Association
• Atlantic Coast Conference, an NCAA Division I collegiate athletic conference located in the US
• Athletic & Convocation Center, University of Notre Dame facility renamed in 1987 as the Edmund P. Joyce Center
• America's Cup Class, a sailboat class
• Touring and Automobile Club of Colombia

• ACC (computer company), a Hong Kong–based computer company which manufactured the ACC 8000
• ACC (programming language), a compiler for use under the MS-DOS operating system
• Accumulator, a type of rechargeable battery
• Active clearance control, an engine temperature control
• Active Cylinder Control, a variable displacement technology
• Adaptive cruise control, an advanced automotive cruise control system
• Automatic climate control, a type of automobile air conditioning
• Autonomous Cruise Control, a car cruise control system also known as adaptive cruise control
• Advanced clock calibration, a technology in the AMD 700 chipset series that enables higher CPU clock speeds
• Remington Accelerator (ACC), a Remington .224 caliber bullet inside a .30 caliber sabot

• Acton Central railway station, on the North London Line (station code ACC)
• Touring & Automovil Club de Colombia, a motoring club and member of the Fédération Internationale de l'Automobile in South America

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