| AAB | Airport Advisory Board |
|---|---|
| AAC | Academic Advisory Center |
| AAS | Airport Advisory Service |
| AC | accessory cells (skr.) |
| AC | Advisory Comittee, poradný výbor (angl.skr.) |
| ESP | Extra Sensory Perception, mimozmyslové vnímanie (angl.skr.) |
| IBSB | Insurance Business Supervisory Board |