CAC may refer to:

Arts

  • California Arts Council, an agency for advancing California through the arts and creativity
  • Campbelltown Arts Centre, multidisciplinary contemporary arts centre south-west of Sydney, Australia
  • Comics Arts Conference, a scholarly conference associated with Comic-Con International
  • Contemporary Arts Center, an art museum in Cincinnati, Ohio
  • Ciutat de les Arts i les Ciències (City of Arts and Sciences), a cultural and architectural complex in Valencia, Spain

Business and finance

  • Central Arbitration Committee
  • CAC 40, a French stock market index
  • Cotation Assistée en Continu, an electronic trading system used at the French stock exchange
  • Capital account convertibility, a fiscal policy based on conducting transactions of local financial assets into foreign financial assets freely
  • Collective action clause, a clause that allows a supermajority of bondholders to agree a debt restructuring that is legally binding on all holders of the bond
  • Corporate Affairs Commission, Nigeria, a body that regulates companies in Nigeria
  • Customer acquisition cost, the amount of money a business needs to spend to get an additional customer

Corporate

  • Call Aircraft Company, an aircraft manufacturer in the United States
  • Certified Acceptance Corporation, a coin grading service
  • Cessna Aircraft Company, an American aircraft manufacturer
  • Champion Aircraft Corporation, an American aircraft manufacturer
  • Chengdu Aircraft Corporation, an aircraft manufacturer in China
  • Chugach Alaska Corporation, an Alaska Native regional corporation
  • Colonial Ammunition Company, a New Zealand ammunition company
  • Commonwealth Aircraft Corporation, an Australian aircraft manufacturer
  • Conquest Airlines (ICAO airline designator)
  • Consolidated Aircraft Corporation, an American aircraft manufacturer
  • Copa Airlines Colombia
  • Carrington American Central
  • Copper Australia Courier
  • Cambridge Aero Corporation

Education

  • Cairo American College, a school in Cairo, Egypt
  • Coomera Anglican College, a school in Queensland, Australia
  • Carmel Adventist College, a school in Western Australia, Australia
  • , a middle school in Tuen Mun, Hong Kong

United States

  • Central Arizona College, a community college in Coolidge, Arizona
  • Commissioner's Academic Challenge, a Florida high school academic tournament
  • Central Arkansas Christian Schools, a school system in North Little Rock, Arkansas
  • Congressional App Challenge, a science and app challenge for all congressional districts in the U.S.

Military

  • U.S. Army Coast Artillery Corps, a U.S. Army corps
  • Casualty Assistance Center, assists to next-of-kin of critically injured, ill or deceased U.S. Army soldiers, retirees, and veterans
  • Combined Action Company, a joint unit of the Combined Action Program of U.S. Marines and South Vietnamese Regional Forces during the Vietnam war
  • United States Army Combined Arms Command, a component of the Transformation and Training Command
  • Canadian Armoured Corps, renamed in 1945 to Royal Canadian Armoured Corps
  • Canadian Aviation Corps, the predecessor to the Royal Canadian Air Force
  • Common Access Card, a U.S. military identification card
  • Colombian armed conflict (1964–present), an internal war in Colombia

Politics and religion

  • Campaign Against Censorship, a UK pressure group that opposes censorship
  • Central Advisory Commission, a political commission of the People's Republic of China
  • Central Advisory Council, a body set up by the Imperial Japanese Army in the occupied Dutch East Indies
  • Central Asian Commonwealth, an organization later renamed to Organization of Central Asian Cooperation
  • Constitutional Accountability Center, a Washington, D.C. think tank
  • CPSU Central Auditing Commission, an organ of the Communist Party of the Soviet Union
  • Christians Against the Coup, an Egyptian political movement opposing the recent 2013 coup d'état in Egypt
  • Christ Apostolic Church
  • Church at Charlotte, an evangelical free church in Charlotte, NC
  • Cyberspace Administration of China, a government agency of the People's Republic of China

Science and technology

  • Calcium carbide, a chemical compound
  • Call Admission Control, a concept in voice over IP networking
  • Air carbon arc cutting, an arc cutting process
  • Citric acid cycle, a series of chemical reactions in cells that use oxygen in respiration
  • Codex Alimentarius Commission, an organisation which maintains food standards
  • Common Access Card, smart card used by the Active Duty United States Defense personnel
  • Criteria air contaminants, a group of air pollutants
  • Charge air cooler, part of an internal combustion engine
  • Carrier access code
  • Система Аварийного Спасения (transliteration from the Russian alphabet: Sistema Avariynogo Spaseniya, SAS), the Soyuz launch escape system
  • CAC, a codon for the amino acid histidine
  • CaC, an acronym for "configuration as code"

Medicine

  • Coronary Artery Calcium

Sports and games

  • Cardiff Athletic Club, a Cardiff-based multi sport organisation
  • Castles and Crusades, a role-playing game
  • Cauliflower Alley Club, a wrestling and boxing organization
  • Commonwealth Athletic Conference, a high school athletic conference in Massachusetts, United States
  • Confédération Africaine de Cyclisme (African Cycling Confederation), a confederation of governing bodies for cycling in Africa
  • Capital Athletic Conference, former name of the US intercollegiate athletic conference now known as the Coast to Coast Athletic Conference
  • Central American and Caribbean Games, a multi-sport regional championships event
  • Command & Conquer, a series of video games
  • Cricket Australia Cup, now the Futures League, an Australian cricket competition
  • Club Athlétique Canadien, a Montreal-based ice hockey team
  • Copa América Centenario