ACA may refer to:

Arts and entertainment

  • A Current Affair (Australian TV program), an Australian television program
  • Actors Centre Australia, a private dramatic arts school
  • American Choreography Awards
  • American Composers Alliance
  • American Council for the Arts, now part of Americans for the Arts
  • American Country Awards

Aviation

  • Advisory Committee for Aeronautics
  • Aero Club of America, US aviation group, now the National Aeronautic Association
  • Agile Combat Aircraft, forerunner to the British Aerospace EAP technology demonstrator aircraft
  • Air Canada, by ICAO airline designator
  • American Champion Aircraft, a US light aircraft manufacturer
  • Arctic Control Area, a Canadian airspace region
  • Astronautics Corporation of America
  • Atlantic Coast Airlines, later Independence Air
  • Austrian Cockpit Association, professional pilot organization
  • IATA airport code for Acapulco International Airport in State of Guerrero, Mexico

Business

  • Alerting Communicators of America, an earlier name of American Signal Corporation
  • Angel Capital Association
  • Australian Coal Association

Government and politics

  • Accessible Canada Act
  • Affordable Care Act, shorthand for the Patient Protection and Affordable Care Act, commonly called "Obamacare"
  • Allied Commission for Austria
  • Anti-Corruption Agency, a Malaysian government agency
  • Angoon Community Association, federally recognized Native American tribe in Alaska
  • Australian Coal Association
  • Australian Communications Authority

Historical

  • Army Comrades Association, or "Blueshirts", a political organization in 1930s Ireland
  • Armed Peasant Association (Spanish: ), also known as Armed Campesino Group, a Marxist–Leninist Paraguayan rebel group

Organizations

  • Academic Cooperation Association, international body to promote cooperation in higher education, based in Brussels
  • Adult Children of Alcoholics & Dysfunctional Families, a mutual-help 12-step group
  • African Cashew Alliance, international organization for promoting Africa's cashew industry
  • American Cadet Alliance, former non-government group for military cadet activities
  • American Chess Association, chess organization founded in 1857 and dissolved a few years later
  • American Citizens Abroad, non-profit group advocating for American expatriates
  • American Cryptogram Association, group for cryptographic puzzles
  • American Crystallographic Association, scientific society
  • Amputee Coalition of America, advocacy and support group
  • Analytica Chimica Acta, scientific journal
  • Anti-Communist Action, a far-right organization
  • NSC-131, a neo-Nazi group
  • Anglican Church in America, traditionalist Anglican church body
  • Army Comrades Association ("Blueshirts"), Irish militant right-wing group in 1932-1933
  • Association of Canadian Archivists, professional group for Canadian historical archivists
  • Atheist Community of Austin, Texas non-profit group which produces The Atheist Experience TV program
  • Automóvil Club Argentino, Argentina's largest automobile association
  • Automobile Club of America
  • United States Army Communications Agency, a predecessor to the United States Army Network Enterprise Technology Command
  • United States Army Contracting Agency, a predecessor to the United States Army Contracting Command

Professional associations

  • ACA International, formerly the American Collectors Association
  • American Callers Association, association of square dance callers
  • American Camp Association, professional and trade association for summer (and similar) camp owners and workers
  • American Chiropractic Association, professional association
  • American Coatings Association, professional and trade association for paint and coatings industry
  • American College of Apothecaries, professional and trade association for independent community pharmacists
  • American Correctional Association, professional and trade association for prisons and prison officials and employees
  • American Counseling Association, professional association
  • Australasian Corrosion Association, Australia and New Zealand trade association
  • Australian Counselling Association, professional association

School

  • Academic Cooperation Association, international group promoting cooperation in higher education, based in Brussels

Science and technology

  • 7-ACA, 7-aminocephalosporanic acid
  • Azodicarbonamide, a chemical foaming agent
  • ACA, a codon for the amino acid threonine
  • Anterior cerebral artery
  • Anti-cardiolipin antibodies
  • Anti-centromere antibodies
  • Acrodermatitis chronica atrophicans
  • ACA<sub>0</sub>, an axiom system in reverse mathematics
  • All common ancestors (ACA) point, also known as the identical ancestors point

Sport

  • Adventure Cycling Association
  • African Cricket Association
  • American Canoe Association
  • Argentine Cricket Association
  • Australian Cricketers' Association
  • Australian Cricket Academy
  • AC Ajaccio, a French professional football team
  • AC Arles-Avignon, a French professional football team
  • Absolute Championship Akhmat, a mixed martial arts, kickboxing and Brazilian jiu-jitsu promotion based in Russia

Transport

  • Antioch–Pittsburg (Amtrak station), by station code, in Antioch-Pittsburg, California

Other uses

  • aca, the ISO 639 code for the Achawa language of Colombia
  • ACA Neo Geo, a series of Neo Geo re-releases made by Hamster Corporation and SNK, derived from Arcade Archives.
  • Arabic chat alphabet

See also

  • Aka (disambiguation)
  • ACKA