| AACH | nemecké sídlo |
|---|---|
| AAO | Amino Acid Oxidase (skr.) |
| AAP | Alternate Access Provider |
| AAS | Acid Addition System |
| AAS | Against Assisted Suicide |
| AAS | AIDS-Aufklärung Schweiz (skr.) |
| AAS | Alliance of AIDS Services (skr.) |
| AAS | American Association of Suicidology |
| AAS | Anabolic Androgenic Steroid |
| AAS | Association African Solidarité |