| Acronym | Definition |
|---|
| AAB➣Above and Beyond (science fiction) |
| AAB➣American Academy in Berlin (est. 1994; Berlin, Germany) |
| AAB➣Acid-Alkaline Balance (health) |
| AAB➣Alumni Association Board (various schools) |
| AAB➣Assessment Appeals Board (various locations) |
| AAB➣Advanced Automotive Batteries (Oregon House, CA) |
| AAB➣Antifaschistische Aktion Berlin (German: Anti-Fascist Action Berlin; Berlin, Germany) |
| AAB➣Association of Applied Biologists (UK) |
| AAB➣All to All Broadcast |
| AAB➣Australian Army Band |
| AAB➣American Association of Bioanalysts |
| AAB➣Army Air Base |
| AAB➣Albanian Association of Banks (est. 1999) |
| AAB➣ABN Amro Bank |
| AAB➣Advertising Association of Baltimore (now American Advertising Federation of Baltimore; Baltimore, MD) |
| AAB➣Alumni Advisory Board |
| AAB➣Academic Advisory Body (India) |
| AAB➣Accreditation Advisory Board (Hong Kong) |
| AAB➣Accessibility Advisory Board (Pennsylvania Department of Labor and Industry) |
| AAB➣Akita Asahi Broadcasting (Japan) |
| AAB➣Aalborg Boldspilklub (Danish Soccer Club) |
| AAB➣All-to-All Broadcast |
| AAB➣Airport Advisory Board |
| AAB➣AIDS Action Baltimore (Baltimore, MD) |
| AAB➣Advise and Assist Brigade (US DoD) |
| AAB➣Ateliers d'Artistes de Belleville (French: Belgian Association of Antique Dealers; Belgium) |
| AAB➣Associates Advisory Board (Legal Aid Foundation of Los Angeles; Los Angeles, CA) |
| AAB➣Aviano Air Base (Italy) |
| AAB➣All About Bikes (magazine) |
| AAB➣Administrative Appeals Board |
| AAB➣Automatic Alternative Billing |
| AAB➣Agence Africaine de Biotechnologie (French: African Agency of Biotechnology) |
| AAB➣Aircraft Accident Board |
| AAB➣Air Assault Brigade (UK) |
| AAB➣Anti-Aircraft Battery |
| AAB➣Aboriginal Affairs Branch (Canadian Ministry of Forests) |
| AAB➣Air Assault Badge |
| AAB➣Associate of the Association of Bookeepers (UK) |
| AAB➣Alliance Agricole Belge (Belgian Agricultural Alliance) |
| AAB➣Adult Antisocial Behavior |
| AAB➣Asian American Brotherhood |
| AAB➣Aviation Armament Bulletin |
| AAB➣Auto Answer Back |
| AAB➣Association Autistes Besançon (French: Besancon Autism Association) |
| AAB➣Asociación de Amigos del Bosque (Association of Friends of the Forest, Guatemala) |
| AAB➣Army Aviation Board |
| AAB➣Adaptive Angle Bias |
| AAB➣Arena e Arsimit Bashkëkohor (Albanian University, Kosova) |
| AAB➣Association Agir Contre le Bégaiement (French: Action Against Stuttering Association) |
| AAB➣Adaptive Antenna Block |
| AAB➣Auditory Attentional Blink |
| AAB➣Acquisition Accession Board |
| AAB➣Anti-Aircraft Balloon |
| AAB➣Application Architecture Blueprint (Sprint) |
| AAB➣Activities Association of Bermuda (senior citizens) |
| AAB➣Average Available Bandwidth |
| AAB➣Artichoke Advisory Board |