| Acronym | Definition |
|---|
| AAAB | Asociación de Ateos y Agnósticos de Bogotá (Spanish: Association of Atheists and Agnostics of Bogotá; Bogota, Colombia) |
| AAAB | Asian American Advisory Board (Northwestern University) |
| AAAB | Asian Academy of Applied Business |
| AAAB | Admiralty Bancorp Inc. |
| AAAB | All American Alien Boy (Ian Hunter song) |
| AAAB | Accounting Alumni Advisory Board (University of Pittsburgh at Johnstown; Johnstown, PA) |
| AAAB | Amis des Automobiles Anciennes des Baous (French: Friends of Vintage Cars Baous; Vence, France) |
| AAAB | Authentication, Authorization, and Accounting Broker |