ABC are the first three letters of the

Latin script The Latin script, also known as the Roman script, is a writing system based on the letters of the classical Latin alphabet, derived from a form of the Greek alphabet which was in use in the ancient Greek city of Cumae in Magna Graecia. The Gree ...

. ABC or abc may also refer to:

Arts, entertainment and media

Broadcasting

Aliw Broadcasting Corporation Aliw Broadcasting Corporation (ABC) is a Philippine broadcasting company. Its corporate office and studios are located at the 20th floor of Citystate Centre, 709 Shaw Blvd., Brgy. Oranbo, Pasig. It is one of the broadcast media assets of the A ...

, Philippine broadcast company *

American Broadcasting Company The American Broadcasting Company (ABC) is an American Commercial broadcasting, commercial broadcast Television broadcaster, television and radio Radio network, network that serves as the flagship property of the Disney Entertainment division ...

, a commercial American TV broadcaster **

Disney–ABC Television Group Disney General Entertainment Content (DGEC), formerly ABC Group, Disney–ABC Television Group and the second incarnation of Walt Disney Television, is a division of the Disney Entertainment business segment of the Walt Disney Company that ove ...

, the former name of the parent organization of ABC *

Australian Broadcasting Corporation The Australian Broadcasting Corporation (ABC) is Australia’s principal public service broadcaster. It is funded primarily by grants from the federal government and is administered by a government-appointed board of directors. The ABC is ...

, one of the national publicly funded broadcasters of Australia **

ABC Television (Australian TV network) ABC Television is the general name for the national television services of the Australian Broadcasting Corporation (ABC). Until an organisational restructure in 2017/2018, ABC Television was also the name of a division of the ABC. The name was ...

, the national television network of the Australian Broadcasting Corporation ***

ABC TV (Australian TV channel) ABC TV, formerly known as ABC1, is an Australian national public television network. It is owned and operated by the Australian Broadcasting Corporation, and is the flagship (broadcasting), flagship ABC Television (Australian TV network), A ...

, the flagship TV station of the Australian Broadcasting Corporation ***

ABC Canberra (TV station) ABC Television in the ACT comprises national and local programming on the ABC television network in the Australian Capital Territory, which includes the capital city of Australia, Canberra, and broadcasts on a number of channels under the ABC c ...

, Canberra, and other ABC TV local stations in state capitals ***

ABC Australia (Southeast Asian TV channel) ABC Australia, formerly Australia Television International (or just Australia Television), ABC Asia Pacific, Australia Network and Australia Plus, is an Australian pay television channel, launched in 1993 and operated by the Australian Broadca ...

, an international pay TV channel * ABC Radio (disambiguation), several radio stations * Associated Broadcasting Corporation, the former name of TV5 Network, Inc., a Philippine media company **

ABC-5 TV5 is a Television in the Philippines, Philippine free-to-air Television network, television and Radio network, radio network headquartered in Mandaluyong, with additional studios in Novaliches, Quezon City. TV5 serves as the flagship netwo ...

, the former name of TV5, a Philippine free-to-air television network * ''ABC'' (Swedish TV programme), a former Swedish regional news programme *

ABC Weekend TV ABC Television Limited, popularly known as ABC Weekend TV, was a British broadcaster which provided the weekend service in the Midlands and Northern England regions of the Independent Television (ITV) network from 1956 to 1968. It was one of ...

, a former British television company *

Asahi Broadcasting Corporation is a certified broadcasting holding company headquartered in Osaka, Japan. Until March 31, 2018, it was a unified radio and television broadcaster serving in the Kansai region. On April 1, 2018, its radio and television broadcasting divisions ...

, a Japanese commercial television and radio station * Associated Broadcasting Company, a former name of

Associated Television ATV Network Limited, originally Associated TeleVision (ATV), was a British broadcaster, part of the ITV (TV network), ITV (Independent Television) network. It provided a service to London at weekends from 1955 to 1968, to the Midlands on week ...

, a British television company *

African Barter Company The African Barter Company (ABC) was a pan-African barter syndication company (the first of its kind) that distributed content to television stations in English and French-speaking countries in Sub-Saharan Africa. One of its founders was Zimbabwe-b ...

, a pan-African barter broadcast syndication company

Music

Albums

* ''ABC'' (Jin album), a 2007 album by rapper MC Jin * ''ABC'' (Kreidler album), a 2014 album by Kreidler * ''ABC'' (The Jackson 5 album), a 1970 album by The Jackson 5

Groups

* A.B.C., the former name of Japanese boy band A.B.C-Z *

ABC (band) ABC are an English pop band which originated in Sheffield in 1980, evolving from the earlier ensemble Vice Versa. They are best known as pioneers of the new wave and sophisti-pop movements, blending synth-pop with orchestral and jazz influen ...

, an English pop band *

Acid Black Cherry Acid Black Cherry (abbreviated as ABC) is the solo project of the former lead vocalist of Janne Da Arc, Yasu. The group was formed after Janne Da Arc announced their indefinite hiatus. Information Acid Black Cherry is the solo project of Yasun ...

, a Japanese rock band *

Alien Beat Club Alien Beat Club (often abbreviated as ABC) were a Danish pop/ R&B group, best known as second-place winners on Series 2 of ''The X Factor''. Its members - Kasper Spring Ehlers, Marcel Mark Gbekle, Patricia Namakula Mbabazi and Stephanie Lykkehø ...

, a Danish pop and R&B band *

Another Bad Creation Another Bad Creation (sometimes called ABC for short) allmusic ((( Another Bad Creation > Overview ))) Retrieved November 7, 2007. Demetrius "Red" (b. September 23, 1979) and Marliss "Mark" (b. April 15, 1982) Pugh, as well as Adrian "G.A." (Gen ...

, an American hip hop and new jack swing group

Labels

ABC Classics ABC Music is Australia's largest independent record label. It operates under the ABC Commercial division of the Australian Broadcasting Corporation. It covers a wide range of music genres, including classical, children’s and adult conte ...

, an Australian record label *

ABC Records ABC Records was an American record label founded in New York City in 1955. It originated as the main popular music label operated by the Am-Par Record Corporation. Am-Par also created the Impulse! jazz label in 1960. It acquired many labels bef ...

, an American record label

Other music

ABC song (disambiguation) ABC song or similar terms may refer to: * The ABC Song, or Alphabet song, a popular alphabet song for children first copyrighted in 1835 * "ABC" (The Jackson 5 song), 1970 * "ABCs" (song), a 2008 song by K'naan * " ABC-123", a 1993 song by LeVer ...

, several songs *

ABC notation ABC notation is a shorthand form of musical notation for computers. In basic form it uses the letter notation with –, –, and , to represent the corresponding notes and rests, along with other elements used to place added value on these – ...

, a musical notation language * O₂ ABC Glasgow, a music venue

Periodicals

* ''ABC'' (magazine), an Italian magazine published between 1960 and 1977 * ''ABC'' (newspaper), a Spanish daily newspaper founded in 1903 * ''ABC'' (Monterrey newspaper), a Mexican newspaper founded in 1985 * ''

ABC Color ''ABC Color'' is a Paraguayan daily newspaper that is part of Editorial Azeta S.A., a subsidiary of Grupo Azeta. It was established in 1967 by Aldo Zuccolillo. Founded in August 1967, it is often regarded as Paraguay's newspaper of record. Histor ...

'', a Paraguayan newspaper founded in 1967

Other arts, entertainment and media

ABC Cinemas ABC Cinemas (Associated British Cinemas) was a cinema chain in the United Kingdom. Originally a wholly owned subsidiary of Associated British Picture Corporation (ABPC), it operated between the 1920s and the 1980s. The brand name was reused in ...

, a British cinema chain * Alphabet book, a type of children's book depicting the alphabet * ''

America's Best Comics America's Best Comics (ABC) was a comic book publishing brand. It was set up by Alan Moore in 1999 as an imprint of WildStorm, an idea proposed to Moore by WildStorm founder Jim Lee when it was still under Image Comics. History ''America's ...

'', an imprint of DC Comics

Aviation

ABC Motors ABC Motors Limited ("All British (Engine) Company") of Hersham, Surrey, England was a manufacturer of cars, aircraft, motor scooters, and engines for road and air. Established by Ronald Charteris in Hersham, Surrey in 1912, its chief designer ...

, an English manufacturer of aircraft, aero engines and cars * Advance Booking Charter, a type of air travel * Aircraft Builders Council, a provider of aviation products liability insurance * IATA airport code for

Albacete Airport Albacete Airport is an airport operated by Aena located about south of the city of Albacete, the capital of the province of Albacete in Castile-La Mancha, Spain. It shares the runway and some facilities with Los Llanos Air Base, operated by ...

in Community of Castilla–La Mancha, Spain

Companies

Financial

Agricultural Bank of China The Agricultural Bank of China (ABC), also known as AgBank, is a Chinese partially state-owned multinational banking and financial services corporation headquartered in Beijing, China. It is one of the " big four" banks in China, and the second ...

, a bank in the People's Republic of China *

Arab Banking Corporation Arab Banking Corporation (also called Bank ABC) is an international bank with headquarters in the Diplomatic Area of Manama, Bahrain. It was incorporated as a joint stock company in 1980 through a special decree by the Amir of Bahrain. It obtai ...

, an international bank headquartered in Bahrain

Food and beverage

ABC (food) PT Heinz ABC Indonesia is an Indonesia-based food and drink subsidiary of Kraft Heinz, based in Jakarta, and manufactures sauces, condiments, juices and syrups. ABC brand was previously owned by PT ABC Central Food Industry, a company that was bou ...

, an Indonesian-based food division of the H. J. Heinz Company *

Aerated Bread Company The Aerated Bread Company Ltd (A.B.C.) was a British company founded and headquartered in London. Although it is often remembered as running a large chain of tea rooms in Britain and other parts of the world, it was originally established in 1 ...

, a British bakery and tea-room chain *

Alcoholic Beverage Control (disambiguation) Alcoholic Beverage Control or Alcoholic Beverage Commission (ABC), or variants thereof, typically refer to a U.S. state's regulatory control over the wholesaling or retailing of some or all categories of alcoholic beverages. In alcoholic beverage co ...

, or Alcoholic Beverage Commission, U.S. states' regulation over alcohol sales * Appalachian Brewing Company, an American brewery

Transport

* ''

ABC Rail Guide The ''ABC Rail Guide'', first published in 1853 as ''The ABC or Alphabetical Railway Guide'', was a monthly railway timetable guide to the United Kingdom that was organised on an alphabetical basis that made it easier to use than its competit ...

'', British railway guide published between 1853 and 2007 *

ABC motorcycles ABC motorcycles was a British motorcycle manufacturer established in 1914 by Ronald Charteris in London. Several British motorcycle firms started up with the name "ABC", including Sopwith Aviation Company, Sopwith. The All British Engine Compan ...

, a British motorcycle manufacturer

Other companies

ABC Learning ABC Learning was an Australian company that was once the world's largest provider of early childhood education services. It was listed on the Australian Securities Exchange with its market capitalisation reaching A$2.5 billion in March 2006. Th ...

, a former Australian childcare business * ABC (Lebanon), a chain of department stores and shopping centers, and operator of fashion boutiques in Lebanon * ABC Stores, a chain of convenience stores in Hawaii * Anglo Belgian Corporation, a diesel engine manufacturer *

Audit Bureau of Circulations (disambiguation) An Audit Bureau of Circulations is a private organization that provides industry-agreed standards for media brand measurement of print publications and other media outlets in a given country. The International Federation of Audit Bureaux of Circulat ...

, publication circulation auditing companies **

Audit Bureau of Circulations (India) The Audit Bureau of Circulations (ABC) of India is a non-profit circulation-audit organisation. It certifies and audits the circulations of major publications, including newspapers and magazines in India. ABC is a voluntary organisation init ...

, a non-profit circulation-auditing organisation **

Audit Bureau of Circulations An Audit Bureau of Circulations is a private organization that provides industry-agreed standards for media brand measurement of print publications and other media outlets in a given country. The International Federation of Audit Bureaux of Circulat ...

, former name for the North American non-profit industry organization Alliance for Audited Media **

Audit Bureau of Circulations (UK) The Audit Bureau of Circulations (ABC) is a non-profit organisation owned and developed by the media industry. ABC delivers industry-agreed standards for media brand measurement of print publications, digital channels and events. The compan ...

, a non-profit organisation

Economics and law

ABC analysis In materials management, ABC analysis is an inventory Inventory (British English) or stock (American English) is a quantity of the goods and materials that a business holds for the ultimate goal of resale, production or utilisation. Inventory ...

, an inventory categorization technique *

Activity-based costing Activity-based costing (ABC) is a costing method that identifies activities in an organization and assigns the cost of each activity to all products and services according to the actual consumption by each. Therefore, this model assigns more ind ...

, an accounting method * Assignment for the benefit of creditors, a concept in bankruptcy law

Organizations

Politics and unions

* Abantu Batho Congress, a South African political party *

ABC (Cuba) The ABC was a Cuban political organization founded in 1931 in opposition to the government of Gerardo Machado. It used a hierarchy of clandestine cells, in which each member would oversee a cell on the next level. The first cell was labeled A; ...

, Cuban political organization 1931–1952, named after the system for labeling its clandestine cells *

ABC Vancouver ABC Vancouver, formerly A Better City, is a municipal political party in Vancouver, British Columbia, Canada. It is led by incumbent mayor Ken Sim. History Formation Three of five city councillors elected under the NPA banner in the 2018 V ...

, a municipal political party in Vancouver, Canada *

A Better Calgary Party The A Better Calgary Party (ABC) is a Conservatism in Canada, conservative municipal political party in Calgary, Alberta, founded ahead of the city's 2025 Alberta municipal elections, 2025 municipal election. History The A Better Calgary Party ...

, a municipal political party in Calgary, Canada *

All Basotho Convention The All Basotho Convention (ABC; ) is a political party in Lesotho. The party was formed in October 2006 and founded by Tom Thabane, a former minister in the Lesotho Congress for Democracy (LCD) led by the government of Prime Minister Pakalith ...

, a political party in Lesotho *

Alliance for Barangay Concerns The Alliance for Barangay Concerns (ABC) is a political party in the Philippines. It is accredited by the Commission on Elections as a party-list group. The ABC is headed by its national party chairman, James Marty Lim, the former national presi ...

, a political party in the Philippines * American Bakery and Confectionery Workers' International Union, a predecessor of the Bakery, Confectionery, Tobacco Workers and Grain Millers' International Union *

Americans Battling Communism Americans Battling Communism Inc. (ABC) was an anti-communist organization created following an October 1947 speech by Pennsylvania Judge Blair Gunther that called for an "ABC movement" to educate America about communism. Chartered in November 1947 ...

, an anti-communist organization founded in 1947 *

Anarchist Black Cross The Anarchist Black Cross (ABC), formerly the Anarchist Red Cross, is an anarchist support organization. The group is notable for its efforts at providing prisoners with political literature, but it also organizes material and legal support for c ...

, an anarchist support organization *

Anything But Conservative Anything But Conservative ( or ''N'importe quoi d'autre que conservateur'') was a strategic voting campaign trial by opponents of the Conservative Party of Canada. It was also known as the ABC Campaign or Vote ABC. Previous strategic voting c ...

, a 2008 Canadian political campaign *

Armagh City, Banbridge and Craigavon Borough Council Armagh City, Banbridge and Craigavon Borough Council is a local authority that was established on 1 April 2015. It replaced Armagh City and District Council, Banbridge District Council and Craigavon Borough Council. The first elections to the ...

, a local government council in Northern Ireland *

Association of Barangay Captains The Liga ng mga Barangay sa Pilipinas (League of Barangays in the Philippines) and the Asosasyon ng mga Kapitan ng Barangay (Association of Barangay Captains, ABC) are formal organizations of all the barangays in the Philippines. Presently, alm ...

or Association of Barangay Councils, former names of the Philippine organization League of Barangays *

Association of British Counties The Association of British Counties (ABC) is a non-party-political society formed in 1989 by television personality Russell Grant to promote the historic counties of the United Kingdom. It argues that the historic counties are an important part ...

, a non-party-political society

Religious

American Baptist Convention The American Baptist Churches USA (ABCUSA) is a mainline Protestant and Baptist Christian denomination. It is a reorganization from 1907 of the Triennial Convention. The Triennial Convention was renamed as the Northern Baptist Convention in ...

, former name of American Baptist Churches USA * Association of Baptist Churches in Ireland, in Ireland and the United Kingdom

Sports

ABC Futebol Clube ABC Futebol Clube, commonly referred to as ABC, is a Brazilian professional club based in Natal, Rio Grande do Norte founded on 29 June 1915. It competes in the Campeonato Brasileiro Série C, the third tier of Brazilian football, as well as ...

, a football (soccer) club based in Natal, Rio Grande do Norte, Brazil *

American Bowling Congress The United States Bowling Congress (USBC) is a sports membership organization dedicated to ten-pin bowling in the United States of America, United States. It was formed in 2005 by a merger of the American Bowling Congress—the original codifier ...

, which merged in 2005 with other bowling organizations to form the United States Bowling Congress *

Association of Boxing Commissions The Association of Boxing Commissions (ABC) is a North American not-for-profit professional boxing and mixed martial arts (MMA) organization that organizes contests and record-keeping. It is governed by delegates of state, provincial, and tribal ...

, a North American not-for-profit professional boxing and mixed martial arts organization *

Indianapolis ABCs The Indianapolis ABCs were a Negro league baseball team that played both as an independent club and as a charter member of the first Negro National League (NNL). They claimed the western championship of black baseball in 1915 and 1916, and fin ...

, a 1900s Negro league baseball team

Other organizations

* Academia Británica Cuscatleca, a school in Santa Tecla, El Salvador *

Accessible Books Consortium The Accessible Books Consortium (ABC) is a public-private partnership which was launched in 2014 by the World Intellectual Property Organization. The ABC was created with the intent of being "one possible initiative, amongst others, to implement ...

, a subunit of the World Intellectual Property Organization * Afrikan Black Coalition, a University of California student organization *

American Bird Conservancy American Bird Conservancy (ABC) is a non-profit organization, non-profit membership organization with the mission of conserving wild birds and their habitats throughout the Americas. ABC is the second BirdLife International partner in the United ...

, a non-profit membership organization *

Andres Bonifacio College Andres Bonifacio College (ABCollege or ABC) is a community college institution in the Philippines. Its campus is located at College Park, Brgy. Miputak, Dipolog. ABCollege offers course programs from kindergarten to postgraduate levels. Alumni an ...

, in Dipolog City, Philippines * Association of Black Cardiologists, a North American non-profit * Austin Bat Cave, a creative writing non-profit in Texas *

Australian Bird Count The Australian Bird Count (ABC) was a project of the Royal Australasian Ornithologists Union The Royal Australasian Ornithologists Union (RAOU), now part of BirdLife Australia, was Australia's largest non-government, non-profit, bird conservati ...

, a project of the Royal Australasian Ornithologists Union

Places

* ABC countries, Argentina, Brazil, and Chile * ABC Islands (Alaska), Admiralty Island, Baranof Island, and Chichagof Island *

ABC islands (Leeward Antilles) The ABC islands is the physical group of Aruba, Aruba, Bonaire, Bonaire, and Curaçao, Curaçao, the three westernmost islands of the Leeward Antilles in the Caribbean Sea. These islands have a shared political history and a status of Dutch unde ...

, Aruba, Bonaire, and Curaçao *

ABC Region The ABC Region is an industrial region in Greater São Paulo, Brazil. The name refers to three smaller cities south of São Paulo, capital of the Brazilian state of the same name. Originally, these three cities were Santo André, São Be ...

, an industrial area outside of São Paulo, Brazil *

Altnabreac railway station Altnabreac railway station () is a rural railway station in the Highland council area of Scotland. It serves the area of Altnabreac a settlement in which the station itself is the main component in the historic county of Caithness. The name ...

, Scotland, by National Rail code * Appa Balwant Chowk, area of Pune, India, noted for its bookshops

Science and technology

Biology and medicine

Abacavir Abacavir, sold under the brand name Ziagen among others, is a medication used to treat HIV/AIDS. Similar to other nucleoside analog reverse-transcriptase inhibitors (NRTIs), abacavir is used together with other HIV medications, and is not re ...

, an antiretroviral drug used to treat HIV/AIDS *

ABC (medicine) ABC and its variations are initialism mnemonics for essential steps used by both medical professionals and lay persons (such as first aiders) when dealing with a patient. In its original form it stands for ''Airway'', ''Breathing,'' and ''Circul ...

, a mnemonic for "Airway, Breathing, Circulation" *

ABC model of flower development The ABC model of flower development is a scientific model of the process by which flowering plants produce a pattern of gene expression in meristems that leads to the appearance of an organ oriented towards sexual reproduction, a flower. There a ...

, a genetic model * Abortion–breast cancer hypothesis, a posited connection between breast cancer and abortion * Alien big cat, a large feline outside its indigenous range *

Aneurysmal bone cyst Aneurysmal bone cyst (ABC) is a non-cancerous bone tumor composed of multiple varying sizes of spaces in a bone which are filled with blood. The term is a misnomer, as the lesion is neither an aneurysm nor a cyst. It generally presents with ...

, a kind of lesion *

ATP-binding cassette transporter The ABC transporters, ATP synthase (ATP)-binding cassette transporters are a transport system superfamily that is one of the largest and possibly one of the oldest gene family, gene families. It is represented in all extant taxon, extant Phyl ...

, a transmembrane protein

Computing

Hardware

* ABC, a line of computers by

Dataindustrier AB Dataindustrier AB (literal translation: computer industries shareholding company) or DIAB was a Sweden, Swedish computer engineering and manufacturing firm, founded in 1970 by Lars Karlsson and active in the 1970s through 1990s. The company's firs ...

Acorn Business Computer The Acorn Business Computer (ABC) was a series of microcomputers announced at the end of 1983 by the British company Acorn Computers. The series of eight computers was aimed at the business, research and further education markets. Demonstrated at ...

, a series of microcomputers announced at the end of 1983 by the British company Acorn Computers * Atanasoff–Berry computer, an early electronic digital computer

Software

* ABC (computer virus), a memory-resident, file-infecting computer virus *

ABC (programming language) ABC is an Imperative programming, imperative general-purpose programming language and integrated development environment (IDE) developed at Centrum Wiskunde & Informatica (CWI), in Amsterdam, Netherlands by Leo Geurts, Lambert Meertens, and Stev ...

, a programming language and environment * ABC (stream cipher), a stream cipher algorithm *

Abstract base class In object-oriented programming, a class defines the shared aspects of objects created from the class. The capabilities of a class differ between programming languages, but generally the shared aspects consist of state ( variables) and behavior ( ...

, a programming language concept *

Artificial bee colony algorithm In computer science and operations research, the artificial bee colony algorithm (ABC) is an optimization algorithm based on the intelligent foraging behaviour of honey bee swarm, proposed by Derviş Karaboğa (Erciyes University) in 2005. Alg ...

, a search algorithm *

.abc .abc is the name of several file extensions: * .abc (ActionScript), or ActionScript Byte Code, used in virtual machines * .abc (Alembic), a computer graphics file format * .abc (Clean), an intermediate compiling language used in Clean * .abc (m ...

, several file formats

Mathematics

ABC formula In mathematics, a quadratic equation () is an equation that can be rearranged in standard form as ax^2 + bx + c = 0\,, where the variable represents an unknown number, and , , and represent known numbers, where . (If and then the equation is ...

Approximate Bayesian computation Approximate Bayesian computation (ABC) constitutes a class of computational methods rooted in Bayesian statistics that can be used to estimate the posterior distributions of model parameters. In all model-based statistical inference, the likel ...

, a family of statistical techniques * ''abc'' conjecture, a concept in number theory

Other science and technology

ABC dry chemical Monoammonium phosphate, ABC Dry Chemical, ABC Powder, tri-class, or multi-purpose dry chemical is a dry chemical extinguishing agent used on fire classification, class A, class B, and Electrical fires. It uses a specially fluidized and siliconize ...

, a fire extinguishing agent * ABC weapon (atomic, biological, and chemical), a

weapon of mass destruction A weapon of mass destruction (WMD) is a biological, chemical, radiological, nuclear, or any other weapon that can kill or significantly harm many people or cause great damage to artificial structures (e.g., buildings), natural structures ( ...

* Accelerated bridge construction, a technique for building bridges * Aerial bundled cable, for power lines *

Airborne Cigar Airborne Cigar, or ABC for short, was a World War II electronic countermeasure (ECM) system developed by the Telecommunications Research Establishment (TRE) to jam ''Luftwaffe'' ground-to-air radios operating in the very high frequency (VHF) b ...

, a British military electronic countermeasure system used during World War II * Atomic, biological, and chemical defense; now

CBRN defense Chemical, biological, radiological, and nuclear defense (CBRN defense) or Nuclear, biological, and chemical protection (NBC protection) is a class of protective measures taken in situations where chemical warfare, chemical, biological warfar ...

(chemical, biological, radiological, and nuclear)

Psychology

* ABC data collection, a descriptive functional behavior assessment method in

applied behavior analysis Applied behavior analysis (ABA), also referred to as behavioral engineering, is a behavior modification system based on the principles of respondent and operant conditioning. ABA is the applied form of behavior analysis; the other two are: ...

* Affective-behavioral-cognitive model, an attitude component model

Transportation

Active Body Control Active Body Control, or ABC, is the Mercedes-Benz brand name used to describe electronically controlled hydropneumatic suspension. This suspension improves ride quality and allows for control of the vehicle body motions, allowing for reduced b ...

, a type of automobile suspension technology * Automatic Buffer Couplers, a type of railway couplers

Cars

* ABC (1906 automobile), an American car by Albert Bledsoe Cole * ABC (1920 automobile), an English car by ABC Motors * ABC (1922 automobile), a planned American car

Other uses

ABC strategy Abstinence, be faithful, use a condom, also known as the ABC strategy, abstinence-plus sex education or abstinence-based sex education, is a sex education policy based on a combination of "risk avoidance" and harm reduction which modifies the appr ...

, for "abstinence, be faithful, use a condom", a sex-education strategy *

ABC trial ''R v Aubrey, Berry and Campbell'', better known as the ABC Trial, was a trial conducted in the United Kingdom in the 1970s, of three men for offences under the Official Secrets Act 1911. The men were two libertarian journalists of a similar ...

of Crispin Aubrey, John Berry and Duncan Campbell in 1978 in the United Kingdom *

Abecedarium An abecedarium (also known as an abecedary or ABCs or simply an ABC) is an inscription consisting of the letters of an alphabet, almost always listed in order. Typically, abecedaria (or abecedaries) are practice exercises. Non-Latin alphabet ...

, an inscription consisting of the letters of an alphabet * '' Air batu campur'', also known as ''ais kacang'', a Malaysian dessert *

American-born Chinese American-born Chinese (abbreviated as ABC) is a term widely used to refer to Chinese people who were born in the United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily ...

, people of Chinese ethnicity born in the United States *

Andrew Cunningham, 1st Viscount Cunningham of Hyndhope Admiral of the Fleet (Royal Navy), Admiral of the Fleet Andrew Browne Cunningham, 1st Viscount Cunningham of Hyndhope, (7 January 1883 – 12 June 1963) was a British officer of the Royal Navy during the Second World War. He was List of milit ...

(1883–1963), nicknamed ABC, British WWII admiral * Architectural, building and construction, an industry; for example, see

Industry Foundation Classes The Industry Foundation Classes (IFC) is a CAD data exchange data schema intended for description of architectural, building and construction industry data (ABCII). The IFC file format is based on ISO 10303-21 standard and definitions of ABCII are ...

* Australian-born Chinese, people of Chinese ethnicity born in Australia