| AAA | Amatérska atletická asociácia (skr.) |
|---|---|
| AAA | amateur athletic association (skr.) |
| AAB | American Association for Bronchology |
| AAB | American Association of Bioanalytics |
| AAB | Anglo American Book |
| AAD | American Academy of Denturity |
| AAD | American Academy of Dermatology |
| AAE | American Association of Engineers (skr.) |
| AAF | American Advertising Federation |
| AAF | americká asociácia reklamy (ang.skr.) |