| AAS | Advances in the Astronautical Sciences |
|---|---|
| AAS | Alabama Archaeological Society |
| AAS | American Arachnological Society |
| AAS | American Astronautical Society |
| AAS | American Astronomical Society |
| AAS | American Astrophysical Society |
| AAS | Australian Acoustical Society, |
| AAS | Australian Anthropological Society |
| ACRP | Association of Clinical Research Professionals |
| AEL | Analytical Electron Microscopy |