ABC
- .abc
- A Better Calgary Party
- A.B.C-Z
- ABC (1906 automobile)
- ABC (1920 automobile)
- ABC (1922 automobile)
- ABC (Cuba)
- ABC (Jin album)
- ABC (Kreidler album)
- ABC (Lebanon)
- ABC (Monterrey newspaper)
- ABC (Swedish TV programme)
- ABC (The Jackson 5 album)
- ABC (band)
- ABC (computer virus)
- ABC (food)
- ABC (magazine)
- ABC (medicine)
- ABC (newspaper)
- ABC (programming language)
- ABC (stream cipher)
- ABC Australia (Southeast Asian TV channel)
- ABC Canberra (TV station)
- ABC Cinemas
- ABC Classics
- ABC Color
- ABC Futebol Clube
- ABC Islands (Alaska)
- ABC Learning
- ABC Motors
- ABC Radio (disambiguation)
- ABC Rail Guide
- ABC Records
- ABC Region
- ABC Stores
- ABC TV (Australian TV channel)
- ABC Television (Australian TV network)
- ABC Vancouver
- ABC Weekend TV
- ABC analysis
- ABC countries
- ABC dry chemical
- ABC formula
- ABC islands (Leeward Antilles)
- ABC model of flower development
- ABC motorcycles
- ABC notation
- ABC song (disambiguation)
- ABC strategy
- ABC trial
- ABCC (disambiguation)
- ATP-binding cassette transporter
- Abacavir
- Abantu Batho Congress
- Abecedarium
- Abortion–breast cancer hypothesis
- Abstract base class
- Academia Británica Cuscatleca
- Accelerated bridge construction
- Accessible Books Consortium
- Acid Black Cherry
- Acorn Business Computer
- Active Bird Community
- Active Body Control
- Activity-based costing
- Advance Booking Charter
- Aerated Bread Company
- Aerial bundled cable
- African Barter Company
- Afrikan Black Coalition
- Agricultural Bank of China
- Air batu campur
- Airborne Cigar
- Aircraft Builders Council
- Albacete Airport
- Alcoholic Beverage Control (disambiguation)
- Alien Beat Club
- Alien big cat
- Aliw Broadcasting Corporation
- All Basotho Convention
- Alliance for Barangay Concerns
- Alphabet book
- Altnabreac railway station
- America's Best Comics
- American Bakery and Confectionery Workers' International Union
- American Baptist Convention
- American Bird Conservancy
- American Bowling Congress
- American Broadcasting Company
- American-born Chinese
- Americans Battling Communism
- Anarchist Black Cross
- Andres Bonifacio College
- Andrew Cunningham, 1st Viscount Cunningham of Hyndhope
- Andrus, Blackwood and Company
- Aneurysmal bone cyst
- Anglo Belgian Corporation
- Another Bad Creation
- Anything But Conservative
- Appa Balwant Chowk
- Appalachian Brewing Company
- Approximate Bayesian computation
- Arab Banking Corporation
- Armagh City, Banbridge and Craigavon Borough Council
- Artificial bee colony algorithm
- Asahi Broadcasting Corporation
- Assignment for the benefit of creditors
- Associated Television
- Association of Baptist Churches in Ireland
- Association of Black Cardiologists
- Association of Boxing Commissions
- Association of British Counties
- Atanasoff–Berry computer
- Audit Bureau of Circulations (India)
- Audit Bureau of Circulations (North America)
- Audit Bureau of Circulations (UK)
- Audit Bureau of Circulations (disambiguation)
- Austin Bat Cave
- Australian Bird Count
- Australian Broadcasting Corporation
- Australian-born Chinese
- Automatic Buffer Couplers
- CBRN defense
- Dataindustrier AB
- Disney–ABC Television Group
- Indianapolis ABCs
- Industry Foundation Classes
- Latin script
- Liga ng mga Barangay
- O2 ABC Glasgow
- S Group
- TV5 (Philippine TV network)
- TV5 Network
- TVP ABC