| AAB | Advertising Association of Baltimore |
|---|---|
| AAF | American Advertising Federation |
| AAM | Advertising Account Manager |
| AANO | starší nórsky politik a misionár |
| AC | advertising council (skr.) |
| ADD | Algebraic Decision Diagram |
| ADD | Army Digital Division |
| ADE | Assistant Division Engineer |
| ADIPTÍVNY | prípadný, súvisiaci so spočítavaním, skladaním |
| AEC | Atomic Energy Commision (skr.) |