| ABA | A Beautiful Angel 
| Others |
| ABA | Abscisic Acid
| Others |
| ABA | ABscissic Acid
| Others |
| ABA | Academy of Fine Arts
| Others |
| ABA | Accident Benefit Association
| Others |
| ABA | Accountants By Accountants
| Others |
| ABA | Accredited Business Accountant
| Others |
| ABA | Active Brake Assist
| Others |
| ABA | Adaptive Brake Assist
| Others |
| ABA | Add B To A
| Others |
| ABA | Address Book Archive
| Others |
| ABA | Adjusted Basic Allotment
| Others |
| ABA | Adriatic Basketball Association
| Others |
| ABA | ADSL Broadband Amplifier
| Others |
| ABA | Advanced Brake Assist
| Others |
| ABA | African Bonsai Association
| Others |
| ABA | Air Bleed Actuator
| Others |
| ABA | Alberta Bicycle Association
| Others |
| ABA | Amateur Bodybuilding Association
| Others |
| ABA | Amateurs de la Berlinette Alpine
| Others |
| ABA | Ambassador Bridge Ahead.
| Others |
| ABA | Amber Batson Attendees
| Others |
| ABA | Amer Birding Assoc
| Others |
| ABA | American and British Academy
| Others |
| ABA | American Bakers Association
| Others |
| ABA | American Bankers Association
| Others |
| ABA | American Bantam Association
| Others |
| ABA | American Bar Asscoiation
| Others |
| ABA | American Bar Association
| Others |
| ABA | American Barn Association
| Others |
| ABA | American Basketball Association
| Others |
| ABA | American Bass Anglers
| Others |
| ABA | American Bass Association
| Others |
| ABA | American Benedictine Academy
| Others |
| ABA | American Beverage Association
| Others |
| ABA | American Bicycle Association
| Others |
| ABA | American Birding Association
| Others |
| ABA | American Board of Anesthesiology
| Others |
| ABA | American Boatbuilders Association
| Others |
| ABA | American Booksellers Association
| Others |
| ABA | American Breweriana Association
| Others |
| ABA | American Bridge Association
| Others |
| ABA | American British Academy
| Others |
| ABA | American Buggy Association
| Others |
| ABA | American Burn Association
| Others |
| ABA | American Bus Association
| Others |
| ABA | Amicale des Bielles d'Antan
| Others |
| ABA | Anorexics and Bulimics Anonymous
| Others |
| ABA | Anthony Barber Associates, LTD.
| Others |
| ABA | Anything But Agriculture
| Others |
| ABA | Applied Behavior Analysis
| Others |
| ABA | Applied Behavioral Analysis
| Others |
| ABA | Applied Behaviour Analysis
| Others |
| ABA | Applying Behavioural Analysis
| Others |
| ABA | Architectural Barriers Act
| Others |
| ABA | Argument By Assertion
| Others |
| ABA | Arizona Builders Alliance
| Others |
| ABA | Armenian Bar Association
| Others |
| ABA | Arrived By Ambulance
| Others |
| ABA | Asian Business Association
| Others |
| ABA | Associacao Baiana de Antigomobilismo
| Others |
| ABA | Associacao Batataense de Antigomobilismo
| Others |
| ABA | Associate in Business Administration
| Others |
| ABA | Associate of Business Administration
| Others |
| ABA | Association for Behavior Analysis
| Others |
| ABA | Assurance and Business Audit
| Others |
| ABA | Astra Bus Arad
| Others |
| ABA | Astronaut Boarding Aircraft
| Others |
| ABA | Atwater Basketball Association
| Others |
| ABA | Australian Banking Association
| Others |
| ABA | Australian Biotechnology Association
| Others |
| ABA | Australian Broadcasting Authority
| Others |
| ABA | Australian Business Access
| Others |
| ABA | Austrian Business Association
| Others |
| ABA | Autism and Behavior Analysis
| Others |
| ABA | Auto Bild Allrad
| Others |
| ABA | Auto Body Alliance
| Others |
| ABA | Auto Body Association
| Others |
| ABA | Automated Benefit Application
| Others |
| ABA | Automatic Brake Adjuster
| Others |
| ABA | Automatic Brake Assistant
| Others |
| ABA | Avant Browser Add-on
| Others |
| ABA | Avast Business Antivirus
| Others |
| ABA | Ayrshire Breeders Association
| Others |
| ABA | Brazilian Association of Anthropology
| Others |
| ABA | Hay Irawabanakan Miowt'iwn
| Others |
| ABA | Poly(Acrylonitrile Butadiene Acrylate)
| Others |