Artificial birth control

Abortion-breast cancer hypothesis

American Broadcasting Company

ABC weapons, a classification of weapons meaning Atomic, Biological, and/or Chemical

Australian Broadcasting Corporation

ABC (band), a 1980s UK pop band

Atanasoff–Berry Computer, one of the first electronic digital computers

Association of British Counties

Activity Based Costing, a financial cost allocation method

The A.B.C. Murders, a novel by Agatha Christie

ATP-binding cassette transporter genes, one of the largest families of genes

ABC News

Associated Broadcasting Company, a television network in the Philippines

Anarchist Black Cross, a world-wide anarchist political support organization

American-born Chinese

ABC store, alcoholic beverage control liquor stores

Advanced Booking Charter flights

ABC News and Current Affairs

ABC Studios, the television production arm of the company

ABC (medical), Airways, breathing, circulation - a term used in cardiopulmonary resuscitation

The Alphabet Song, in which the first words are "ABC"

Associated British Corporation, a former British film and television company

Asahi Broadcasting Corporation, a broadcaster in Osaka, Japan

Alien big cat

America's Best Comics (DC), an imprint of DC Comics

Australian Bird Count project of the Royal Australasian Ornithologists Union

Another Bad Creation, an R&B/rap group sometimes referred to as ABC

ABC Records

abc conjecture, an unproven aspect of mathematical number theory

Aneurysmal bone cyst, a lesion

ABC (song), a hit song from that album

Asian Basketball Confederation, now renamed as FIBA Asia

The California Department of Alcoholic Beverage Control

ABC (album), an album by The Jackson 5

The ABC Model of Flower Development, a description of mutation patterns in certain plant life

All Basotho Convention, Lesotho

American Bowling Congress

Audit Bureau of Circulation

ABC (block cipher), a block cipher algorithm by Dieter Schmidt

ABC (newspaper), a Spanish newspaper founded in 1903

Associated British Cinemas

Arab Banking Corporation

Abc notation, a musical notation language

ABC9, the ABC's television station in Canberra

ABC (programming language)

ABC Classics, a record label

ABC Region (also known as ABCD): an industrial area outside of São Paulo, Brazil

ABC Stores (Hawaii), a Hawaii-based convenience store chain

Abstinence, be faithful, use a condom or ABC strategy, a program for fighting AIDS and the spread of sexually transmitted diseases

ABC (Jin album), an album by the musician Jin

Asian Badminton Confederation

ABC-DEF-GHI, a song from the television show Sesame Street

ABC (Yet Another BitTorrent Client)

ABC (Pipettes song)

ABC (1920 automobile), an English car

Appalachian Brewing Company, a brewery in Pennsylvania, USA

Air batu campur, a Malaysian shaved ice dessert

Audited Bureau of Circulations

ABC Glasgow, a music venue in Glasgow, Scotland

American Bird Conservancy

ABC (1906 automobile), an American car

Atlanta Bread Company, a bakery/café

Aerated Bread Company, a 19th-20th century British bakery and tea room chain

ABC Dry Chemical, the most common extinguishing agent in fire extinguishers

Approximate Bayesian Computation

ABC (stream cipher), a stream cipher algorithm submitted to the eCRYPT project

Aggregate base course, a substrate used in construction for road paving

ABC islands (Lesser Antilles): the islands of Aruba, Bonaire, and Curaçao in the Caribbean Sea

ABC islands (Alaska): Admiralty Island, Baranof Island, and Chichagof Island

African Bird Club

ABC (Swedish news programme), the Sveriges Television regional news programme for the Stockholm region in Sweden

ABC (1999 automotive innovation), Active Body Control, a type of automobile suspension technology

ABC (1922 automobile), a planned (but never built) American car

African Black Coalition

ABC are the first three letters in the Latin alphabet. ABC may also refer to the phrase "as easy as ABC", that is something that is fundamentally simple and easy. ABC is a three-letter acronym that may also refer to:

ABC Radio, comprising Local Radio, Radio National, Classic FM, ABC NewsRadio, ABC DiG and Radio Australia

ABC Television (Australia), including ABC TV and ABC2. See also: ABC Kids Channel, ABC Kids, Fly TV, Rollercoaster

ABC book, an Alphabet book

ABC 80, ABC 800 etc.. computers, from Dataindustrier AB of Sweden

Abstract base class, a programming construct supporting abstraction, a key component of object-oriented programming

ABC countries or ABC Powers: a political term used to refer to Argentina, Brazil and Chile

A cell based resistance organization against Gerardo Machado in Cuba in the 1930s