| AAA | Amatérska atletická asociácia (skr.) |
|---|---|
| AAAL | american academy of arts and letters |
| AAB | Anderson Anderson and Brown |
| AAB | Association of Aircraft Brokers, Združenie sprostredkovateľov v leteckej doprave (angl.skr.) |
| AAB | Ateliers-Artistes-Belleville |
| AAB | Australasian Associated Brewers |
| AACO | Arab Air Carriers Organization |
| AAE | American Association of Engineers (skr.) |
| AAI | Alliance of American Insurers |
| AANIPADA | sumerský vládca Uru |