| A | model nemeckého automobilu Mercedes |
|---|---|
| À JOUR | načas, nemeškať (byť v ažurite), v určený deň dokončené |
| AAAL | american academy of arts and letters |
| AAC | Academic Advisory Center |
| AACO | Association Astronomique de Côte d'Or |
| AAD | American Academy of Denturity |
| AAD | American Academy of Dermatology |
| AAD | Atomic Absorption Detector |
| AAD | Automatic Activation Device |
| AAF | American Advertising Federation |