| AAC | Airborne Aircraft Controller |
|---|---|
| AAN | Airborne Aircraft Controller |
| AAS | Advances in the Astronautical Sciences |
| AAS | American Astronautical Society |
| AAS | American Astronomical Society |
| AAS | American Astrophysical Society |
| AAS | Astronomischer Arbeitskreis Salzkammergut |
| AAS | Atomic Absorption Spectrophotometry |
| ABC | Active Body Control |
| ABD | arabský čierny otrok |