ABC
ABC are the first three letters of the Latin alphabet. They may refer to:
Broadcasting media
Cars
Companies
Computer science
- ABC (block cipher), a block cipher algorithm
- ABC (computer virus), virus
- ABC (programming language), an imperative general-purpose programming language and programming environment developed at CWI, Netherlands by Leo Geurts, Lambert Meertens, and Steven Pemberton
- Artificial Bee Colony Algorithm, a search algorithm used for optimizing multi-variable and multi-modal numerical functions
- ABC (stream cipher), a stream cipher algorithm
- ABC (Yet Another BitTorrent Client), a free software, open source BitTorrent client based on BitTornado
- ABC, a line of computer models designed by Dataindustrier AB of Sweden
- ABC notation, a language for notating music using the ASCII character set
- Abstract base class, a programming language concept
- Acorn Business Computer, a series of microcomputers announced at the end of 1983 by the British company Acorn Computers
- Alcatel Business Communications, a telecommunications protocol
- Atanasoff–Berry Computer, an early electronic digital computer
Economics
Mathematics
Medicine and biology
- Abacavir, an antiretroviral drug used to treat HIV/Aids
- ABC (medicine), a mnemonic for "Airway, Breathing, Circulation"
- ABC model of flower development, a genetic model
- Abortion – breast cancer hypothesis, a posited connection between breast cancer and abortion
- Aneurysmal bone cyst, a kind of lesion
- ATP-binding cassette transporter, a transmembrane protein
- ABC strategy for "Abstinence, be faithful, use a condom", a sex education strategy
Motorcycles
Music
Songs and albums
- ABC (album), a 1970 album by The Jackson 5
- ABC (Jin album), a 2007 album by Chinese-American rapper Jin. ABC is Jin's fourth overall album, which was released on February 20, 2007
- "ABC" (Jin song), Jin's first single off his 4th album "ABC" (American-born Chinese)
- "ABC" (Pipettes song)
- Alphabet song, or "the ABC's", a song used to teach children the alphabet
- ABCs (song), the first official single by rapper K'naan on his album Troubadour
Groups
Record labels
Other music
Organizations and projects
Ornithological
Political
Religious
Sports
Other organizations and projects
Places
- ABC nations, a political term referring to Argentina, Brazil and Chile
- ABC Islands (Alaska), a term referring to Admiralty Island, Baranof Island, and Chichagof Island
- ABC islands (Lesser Antilles), a term referring to Aruba, Bonaire, and Curaçao
- ABC Region, an industrial area outside of São Paulo, Brazil
- Academia Británica Cuscatleca (ABC), a school in Santa Tecla, El Salvador
- Altnabreac railway station (National Rail code), in Scotland
- American Bank Center, an arena located in Corpus Christi, Texas
Publications and media organizations
Technology
Other uses
- ABC Futebol Clube, a football (soccer) club based in Natal, Rio Grande do Norte, Brazil
- Advanced Booking Charter, a kind of air travel
- Air batu campur, also known as ais kacang, a Malaysian dessert
- Alcoholic beverage control state, the American system of state regulation of alcoholic beverage sales
- Alien big cat or phantom cat, a large feline that has been purported to appear in regions outside its indigenous range
- Alphabet, a standardized set of letters
- American-born Chinese, people of Chinese ethnicity born in the USA
- Andrew Cunningham, 1st Viscount Cunningham of Hyndhope (1883–1963), nicknamed ABC, a British World War II admiral
- Asian brown cloud A layer of air pollution
- "ABC-DEF-GHI", a song from the television show Sesame Street
- "Always Be Closing", a sales and marketing aphorism that stresses the importance of completing as many possible sales as often as possible. Notably expounded on by the character Blake in the David Mamet-written movie Glengarry Glen Ross