| AAAS | Accounting As A Service 
| Others |
| AAAS | Accreditation Accountability and Academic Services
| Others |
| AAAS | Achalasia Addisonianism Alacrima Syndrome
| Others |
| AAAS | Advanced Active Adaptive Secondary Safety
| Others |
| AAAS | Advanced Aircraft Armament System
| Others |
| AAAS | African American and Africana Studies
| Others |
| AAAS | African and African American Studies
| Others |
| AAAS | Alacrima Achalasia Addisonian Syndrome
| Others |
| AAAS | alacrima-achalasia-addisonian syndrome, see Triple A syndrome
| Others |
| AAAS | Alan Alda a Admiration Society
| Others |
| AAAS | Algorithm As A Service
| Others |
| AAAS | All American Automotive Services
| Others |
| AAAS | American Academy of Arts and Sciences
| Others |
| AAAS | American Association for the Advancement of Science
| Others |
| AAAS | American Association in Advancement of Sciences
| Others |
| AAAS | Amphibious Aviation Assault Ship
| Others |
| AAAS | Analytics As A Service
| Others |
| AaaS | Anything-as-a-Service
| Others |
| AAAS | Api As A Service
| Others |
| AAAS | Application As A Service
| Others |
| AAAS | Asian and Asian American Studies
| Others |
| AAAS | Asociacion Argentina de Automoviles Sport
| Others |
| AAAS | Association for Asian American Studies
| Others |
| AAAS | Austrian Association for American Studies
| Others |
| AAAS | Authentication as a Service
| Others |
| AAAS | Automation As A Service
| Others |
| AAAS | Automotive Aftermarket Association Southeast
| Others |
| AAAS | Automotive Analytics and Attribution Summit
| Others |