| AAB | Annals of Applied Biology |
|---|---|
| AAB | Application Architecture Blueprint |
| AAB | Association of Applied Biologists |
| AAD | Applied Acoustic Design (skr.) |
| AAI | Autodesk Approved Instructor |
| AAN | Application-Aware Network |
| AAS | Academy of Applied Science |
| AAS | Annapolis Apple Slice |
| AAS | Applied Acoustics Systems |
| AAS | Approved As Stands |