| A/C | klimatizácia, po anglicky |
|---|---|
| AAÁ | citoslovce prekvapenia |
| AAB | Application Architecture Blueprint |
| AAB | Association of Aircraft Brokers, Združenie sprostredkovateľov v leteckej doprave (angl.skr.) |
| AAB | Association of Applied Biologists |
| AAD | Applied Acoustic Design (skr.) |
| AAD | Atomic Absorption Detector |
| AAE | automatic answering equipment (skr.) |
| AAI | American Alpine Institute (skr.) |
| AAI | American Alpine Institution |