ACA may refer to:

Arts and entertainment

* ''A Current Affair'' (Australian TV series), 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 *

A.C.E (South Korean band) A.C.E () is a South Korean boy band formed by Beat Interactive, and co-managed with Swing Entertainment. The group consists of five members: Jun, Donghun, Wow, Kim Byeongkwan, and Chan. The group debuted on May 23, 2017, with the single "Cact ...

Business

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

Government and politics

Affordable Care Act The Affordable Care Act (ACA), formally known as the Patient Protection and Affordable Care Act and colloquially known as Obamacare, is a landmark U.S. federal statute enacted by the 111th United States Congress and signed into law by Pres ...

, shorthand for the Patient Protection and Affordable Care Act, commonly called "Obamacare" * Allied Commission for Austria * Anti-Corruption Agency, a Malaysian government agency * Australian Coal Association *

Australian Communications Authority The Australian Communications and Media Authority (ACMA) is an Australian government statutory authority within the Communications portfolio. ACMA was formed on 1 July 2005 with the merger of the Australian Broadcasting Authority and the Austr ...

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, counseling and support group * Aero Club of America, US aviation group, now the National Aeronautic Association * 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 The Army Comrades Association (ACA), later the National Guard, then Young Ireland and finally League of Youth, but best known by the nickname the Blueshirts ( ga, Na Léinte Gorma), was a paramilitary organisation in the Irish Free State, founded ...

"), 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 "The Atheist Experience" is an American live, weekly televised webcast based in Austin, Texas. Listeners are encouraged to call in to discuss the existence of God and related topics. Calls from theists are usually given priority, as the aim o ...

'' TV program * '' Automóvil Club Argentino'', Argentina's largest automobile association

Professional associations

ACA International ACA International is a trade group located in the United States representing debt collection agencies, creditors, debt buyers, collection attorneys, and debt collection industry service providers. Founded in 1939 as the American Collectors Associ ...

, 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 * Australian Counselling Association, professional association * American Counseling Association, professional association * American Correctional Association, professional and trade association for prisons and prison officials and employees * Australasian Corrosion Association, Australia and New Zealand trade association * Austrian Cockpit Association, professional pilot organization *

American College of Apothecaries The American College of Apothecaries (ACA) is an international (United States and Canada) professional association in the field of independent community pharmacy practice. The organization offers continuing education (CE) credits for pharmacists ...

, professional and trade association for independent community pharmacists

School

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

Asunción Christian Academy The Asunción Christian Academy, (abbreviated as ACA), is an American co-educational private international Christian day school located in Asunción, Paraguay. The academy was founded in 1958 by Frank Weins and Lucy Huston and moved to its cur ...

, an American school in Paraguay

Science and technology

* 7-ACA, 7-aminocephalosporanic acid * ACA, a codon for the amino acid

threonine Threonine (symbol Thr or T) is an amino acid that is used in the biosynthesis of proteins. It contains an α-amino group (which is in the protonated −NH form under biological conditions), a carboxyl group (which is in the deprotonated −COO ...

* Advisory Committee for Aeronautics * Anterior cerebral artery * Anti-cardiolipin antibodies * Anti-centromere antibodies *

Acrodermatitis chronica atrophicans Acrodermatitis chronica atrophicans (ACA) is a skin rash indicative of the third or late stage of European Lyme borreliosis. ACA is a dermatological condition that takes a chronically progressive course and finally leads to a widespread atrop ...

* Agile Combat Aircraft, forerunner to the

British Aerospace EAP The British Aerospace EAP (standing for ''Experimental Aircraft Programme'') was a British technology demonstrator aircraft developed by aviation company British Aerospace (BAe) as a private venture. It was designed to research technologies t ...

technology demonstrator aircraft * ACA₀, an axiom system in reverse mathematics

Sport

* Adventure Cycling Association * African Cricket Association * American Canoe Association * Argentine Cricket Association * Australian Cricketers' Association * 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

Air Canada Air Canada is the flag carrier and the largest airline of Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocea ...

, by ICAO airline designator * Antioch–Pittsburg (Amtrak station), by station code, in Antioch-Pittsburg, California * Arctic Control Area, a Canadian airspace region * Atlantic Coast Airlines, later Independence Air * General Juan N. Álvarez International Airport, by IATA location identifier, in Acapulco, Guerrero, Mexico

Other uses

* aca, the ISO 639 code for the Achawa language of Colombia *

Arabic chat alphabet The Arabic chat alphabet, ''Arabizi'', Franco-Arabic (), refer to the Romanized alphabets for informal Arabic dialects in which Arabic script is transcribed or encoded into a combination of Latin script and Arabic numerals. These informal cha ...