| AAB | Application Architecture Blueprint |
|---|---|
| AAD | American Academy of Denturity |
| AAP | austrálska tlačová agentúra |
| AAP | brazílska tlačová agentúra |
| AAP | tlačová agentúra Austrálie |
| AAS | Alternate Architecture Study |
| ABA | Agent Based Architecture |
| ABP | tlačová agentúra Beninu |
| ACI | tlačová agentúra Konga |
| ACI | turecké jazero |