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 Accra International Airport in Greater Accra Region, Ghana ==Business==

• ACC Limited, an Indian cement manufacturer • ACCBank, an Irish commercial bank • Alaska Commercial Company, American retail and grocery company • 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 • 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 • Australian Christian College, a group of schools in Australia ==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 • 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 • United States Army Contracting Command, contracting services provider of the United States Army • United States Army Corrections Command • 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 ==Medicine==

• Agenesis of the corpus callosum, a birth defect • Adrenocortical carcinoma, an aggressive cancer originating in the cortex of the adrenal gland ==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 • 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 Microelectronics Corporation, a defunct American semiconductor company • 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) • Touring & Automovil Club de Colombia, a motoring club and member of the Fédération Internationale de l'Automobile in South America