ACC

ACC most often refers to:
 * Atlantic Coast Conference, an NCAA Division I collegiate athletic conference located in the US
 * American College of Cardiology, a US-based nonprofit medical association that bestows credentials upon cardiovascular specialists
 * Air Combat Command, a major command of the US Air Force headquartered at Langley Air Force Base
 * Association of Corporate Counsel, a global organization serving attorneys who practice in corporate law departments
 * American Chemistry Council, an industry trade association for American chemical companies

ACC may also refer to:

Business

 * 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

Christianity

 * 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)

Education

 * 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
 * Another Course to College, a pilot school in Boston, Massachusetts, in the US
 * 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

Government, military, and politics

 * 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
 * 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
 * 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.

Language, media, and communication

 * Achi language, a Mayan language of Guatemala (ISO 639-3 code 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

Non-government organisations

 * 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

Science, mathematics, and medicine

 * 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
 * Acetylcysteine, used in the management of paracetamol overdose
 * 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

Sports and games

 * 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

Technology

 * 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

Transportation

 * Acton Central railway station, on the North London Line (station code ACC)
 * Kotoka International Airport, Accra, Ghana (IATA airport code ACC)
 * Area control center, a type of air traffic control facility
 * Touring & Automovil Club de Colombia, a motoring club and member of the Fédération Internationale de l'Automobile in South America