| AAC | Air Agency Certificate |
|---|---|
| ACR | American Club Racer |
| ACS | American Cancer Society (skr.) |
| ADO | Assistant Duty Officer |
| AEG | nemecký koncern |
| AEO | Assistant Executive Officer |
| AKT | ceremónia, slávnosť |
| AOL | nemecký koncern |
| ARI | meno vo viacerých jazykoch |
| ATC | Athletic Trainer Certified |