| AAB | Aberdeen Abbreviated Browser 
| Others |
| AAB | ABN Amro Bank
| Others |
| AAB | Above and Beyond
| Others |
| AAB | Academic Achievement Battery
| Others |
| AAB | Academic Affairs Board
| Others |
| AAB | Academy of Asian Business
| Others |
| AAB | Acquisition Accession Board
| Others |
| AAB | Acronyms Are Bollocks
| Others |
| AAB | Adjusted At Bats
| Others |
| AAB | Advanced Automotive Batteries
| Others |
| AAB | Airfield Administration Building
| Others |
| AAB | Airport Administration Building
| Others |
| AAB | All Amateur Basketball
| Others |
| AAB | All to All Broadcast
| Others |
| AAB | Aloha Alumni Bett
| Others |
| AAB | Alpine Association Bodensee
| Others |
| AAB | Alumni Association Board
| Others |
| AAB | Always A Bridesmaid
| Others |
| AAB | American Academy of Ballet
| Others |
| AAB | American Admiralty Bureau
| Others |
| AAB | American Assault Brigade
| Others |
| AAB | American Association of Bioanalysts
| Others |
| AAB | American Auto Brokers
| Others |
| AAB | Android App Bundle
| Others |
| AAB | Android App Bundles
| Others |
| AAB | Anti Aircraft Battery
| Others |
| AAB | Arakawa Auto Body
| Others |
| AAB | Architectural Access Board
| Others |
| AAB | Argentina Autoblog
| Others |
| AAB | Army Air Base
| Others |
| AAB | As Always Booring
| Others |
| AAB | As Amended By
| Others |
| AAB | Asians At Bain
| Others |
| AAB | Asociacion Autodromo Balcarce
| Others |
| AAB | Assault Air Bike
| Others |
| AAB | Assault Amphibian Battalion
| Others |
| AAB | Assessment Appeals Board
| Others |
| AAB | Associate of Applied Business
| Others |
| AAB | Associates Advisory Board
| Others |
| AAB | Association of Applied Biologists
| Others |
| AAB | Association of Brazilian Archivists
| Others |
| AAB | Atlantic Auto Brokers
| Others |
| AAB | Autoliv Ab
| Others |
| AAB | Automatic Airflow Balancing
| Others |
| AAB | Automobile Association of Bangladesh
| Others |
| AAB | Automotive Association of Brazil
| Others |
| AAB | Average At Best
| Others |
| AAB | Aviation Armament Bulletin
| Others |
| AAB | Avon Auto Brokers
| Others |