ABC are the first three letters of the Latin script known as the alphabet.ABC or .abc may refer to:Broadcasting ABC Radio American Broadcasting Company, a commercial U.S. broadcasterABC Radio, the former name of the American radio network Cumulus Media NetworksDisneyABC Television Group, the parent organization of ABC Television NetworkABC, a Spanish daily newspaperABC, a regional news programmeABC Development Corporation, former name of TV5 Network, Inc., a Philippine television companyAsahi Broadcasting Corporation, a Japanese commercial television and radio stationAssociated British Corporation, a former British film and television companyAustralian Broadcasting Corporation, the national publicly funded broadcaster of AustraliaABC, the flagship TV channel of the Australian Broadcasting CorporationCompanies ABC, an Indonesian-based food division of the H. J. Heinz Company, manufactures of sauces and condimentsABC Cinemas, a UK cinema chainABC Group, a department storeABC Learning Centres, a former Australian childcare businessABC Stores, a chain of convenience stores in HawaiiAerated Bread Company, a once-famous British bakery and tea-room chainAgricultural Bank of China, a bank in the People's Republic of ChinaAnglo Belgian Corporation, diesel engine manufacturerAppalachian Brewing Company, an American breweryArab Banking CorporationAudit Bureau of Circulations, publication circulation auditing companiesAudit Bureau of Circulations Audit Bureau of Circulations Audit Bureau of Circulations Computing ABC ABC, a programming language and environmentABC, a stream cipher algorithmABC, a BitTorrent clientABC notation, a language for music notationAbstract base class, a programming language conceptAcorn Business Computer, a series of microcomputers announced at the end of 1983 by the British company Acorn Computers.abc, ActionScript Byte Code files; see Comparison of application virtual machinesAlcatel Business Communications, a telecommunications protocolArtificial bee colony algorithm, a search algorithmAtanasoffBerry computer, an early electronic digital computerABC, a line of computers by Dataindustrier