| A | model nemeckého automobilu Mercedes |
|---|---|
| À JOUR | načas, nemeškať (byť v ažurite), v určený deň dokončené |
| AAAL | american academy of arts and letters |
| AAD | American Academy of Denturity |
| AAD | American Academy of Dermatology |
| AAF | American Advertising Federation |
| AALIYAH | americká R&B speváčka, tanečníčka, modelka a herečka (1979-2001) |
| AAN | American Academy of Neurology (skr.) |
| AAN | American Academy of Nursing |
| AAP | Academy of American Poets |