| AAT | American Accent Training |
|---|---|
| ABT | Air Combat Training |
| ACP | Administration Control Panel |
| ADD | Administration on Developmental Disabilities |
| ADM | Associate Deputy Minister |
| ADR | Administrative Dispute Resolution |
| ADU | Application Definition Utility |
| AEM | waleská verzia automobilu Mini-Moke |
| AKS | Actinic Keratosis Society (skr.) |
| ALE | nitrid hliníka |