ABA

• A.B.A
• AB Aerotransport
• ABA Chemicals
• ABA Games
• ABA League JTD
• ABA problem
• ABA routing transit number
• Abakan Airport
• Abas (disambiguation)
• Abba (disambiguation)
• Aberdare railway station
• Abscisic acid
• Abé language
• Académie des Beaux-Arts (Kinshasa)
• Accredited Business Accountant
• Alabama Baptist Association
• Alabama Broadcasters Association
• Alameda Ballet Academy
• Altbachisches Archiv
• Amateur Boxing Association of England
• American Bandmasters Association
• American Bandy Association
• American Bankers Association
• American Baptist Association
• American Bar Association
• American Basketball Association
• American Basketball Association (2000–present)
• American Beverage Association
• American Bicycle Association
• American Birding Association
• American Booksellers Association
• American Bridge Association
• American British Academy
• American Bus Association
• Antiquarian Booksellers Association
• Applied behavior analysis
• Architectural Barriers Act of 1968
• Asahi Broadcasting Aomori
• Association for Behavior Analysis
• Association of Black Anthropologists
• Australian Banking Association
• Australian Basketball Association
• Australian Blue Asbestos
• Australian Breastfeeding Association
• Australian Broadcasting Authority
• ternary form