| Acronym | Definition |
|---|
| ABA➣American Bar Association |
| ABA➣American Bankers Association |
| ABA➣American Booksellers Association |
| ABA➣Applied Behavior Analysis (autism treatment) |
| ABA➣American Basketball Association |
| ABA➣American Bus Association |
| ABA➣American Bicycle Association |
| ABA➣Association for Behavior Analysis |
| ABA➣American Birding Association |
| ABA➣Applied Behavioral Analysis |
| ABA➣Amateur Boxing Association |
| ABA➣American Beverage Association |
| ABA➣Architectural Barriers Act |
| ABA➣Australian Breastfeeding Association |
| ABA➣Abscisic Acid (plant hormone) |
| ABA➣American Bakers Association |
| ABA➣American Board of Anesthesiology |
| ABA➣Awfully Big Adventure |
| ABA➣Abakan (Russia) |
| ABA➣American Bad Ass |
| ABA➣Australian Bankers Association |
| ABA➣American Burn Association |
| ABA➣Atlanta Bar Association (Atlanta, GA) |
| ABA➣Australian Broadcasting Authority |
| ABA➣Art by Accident |
| ABA➣Address Book Archive |
| ABA➣American Bass Anglers (formerly Military Bass Anglers Association; Athens, AL) |
| ABA➣Anchin, Block & Anchin (accounting firm; New York) |
| ABA➣Associação Brasileira de Antropologia (Brazil) |
| ABA➣Accredited Business Accountant |
| ABA➣Arizona Builders’ Alliance (est. 1994) |
| ABA➣Alliance Bank of Arizona |
| ABA➣Allen Brain Atlas (AIBS research) |
| ABA➣American Baptist Association |
| ABA➣Asian Business Association |
| ABA➣Asahi Broadcasting Aomori (Japan) |
| ABA➣American Book Awards |
| ABA➣Académie des Beaux-Arts (French: Academy of Fine Arts; Kinshasa, Democratic Republic of Congo) |
| ABA➣Australian Bicentennial Authority |
| ABA➣American Bantam Association (Augusta, NJ bantam breeders) |
| ABA➣Applications Based Architecture (software engineering) |
| ABA➣American Bullmastiff Association |
| ABA➣Allied Beauty Association |
| ABA➣American Bridge Association |
| ABA➣Auto Bedrijven Associatie (Dutch) |
| ABA➣American Bass Association |
| ABA➣Acrylonitrile-Butadiene Acrylate |
| ABA➣Australian Biotechnology Association |
| ABA➣Arrogant Bastard Ale |
| ABA➣American Ballet Academy |
| ABA➣American Benedictine Academy (est. 1947) |
| ABA➣Automatic Brake Adjuster |
| ABA➣American Bioenergy Association |
| ABA➣Arizona Bioindustry Association (also seen as ABIA) |
| ABA➣Address Book Archive (file name extension) |
| ABA➣American Beauty Association |
| ABA➣Alimentos Balanceados para Animales (Spanish) |
| ABA➣Adaptive Battlespace Awareness (US DoD Advanced Concept Technology Demonstration) |
| ABA➣Associação Brasileira de Aeromodelismo (Brazil) |
| ABA➣Accommodation Booking Agency (various locations) |
| ABA➣Adult Buddhist Association |
| ABA➣American Bartenders Association |
| ABA➣Agent Based Architecture |
| ABA➣Aboriginal Benefits Account (royalty distribution account established under the Aboriginal Land Rights Act) |
| ABA➣American Badminton Association |
| ABA➣Acceso Banda Ancha |
| ABA➣Arabian Breeders Association |
| ABA➣Acid-Base Account |
| ABA➣Asia Biomass Association (Japan) |
| ABA➣Alberta Beekeepers Association |
| ABA➣Another Bloody Acronym |
| ABA➣Austrian Biologists Association |
| ABA➣Aaron Burr Association |
| ABA➣Appropriation & Budget Activity |
| ABA➣American, British, Australian |
| ABA➣Allgemeine Basisausbildung (German) |
| ABA➣Association for Balkan Anthropology |
| ABA➣Agent-Based Application |
| ABA➣American Bowling Association |
| ABA➣Aberrated Beam Analyzer |
| ABA➣Asymptotic Bound Analysis |
| ABA➣Advanced Ballistic Algorithm |
| ABA➣Adaptable Business Architecture (Peoplesoft) |
| ABA➣American Bison Association |
| ABA➣Alaska Boating Association |
| ABA➣Area-by-Area Allocation |
| ABA➣Arbeitsgemeinschaft für Betriebliche Altersversorgung eV |
| ABA➣Arthroscopie Belge - Belgische Arthroscopie (Belgian Arthroscopy Association) |
| ABA➣Above Mean Axis (drawing reference plane) |
| ABA➣American Bedding Association |
| ABA➣Alahambra Creek |
| ABA➣Auto-Build Authorization |
| ABA➣Alex-Branch Associates Ltd (UK) |
| ABA➣American Bell Association Internatinal, Inc |
| ABA➣Association of Black Alumni |
| ABA➣Annual Budget Authorization |
| ABA➣Advanced Battery Assessment |
| ABA➣Arusha Beekeepers' Association (Tanzania) |
| ABA➣Anti-Bullying Association |
| ABA➣Andreas Bergmann Automation LLC (Navarre, FL) |
aba - a loose sleeveless outer garment made from aba cloth; worn by Arabs