| AA | iniciály Agassi |
|---|---|
| AAA | amateur athletic association (skr.) |
| AAB | Advertising Association of Baltimore |
| AAB | American Association for Bronchology |
| AAB | American Association of Bioanalytics |
| AAB | Associação dos Arquivistas Brasileiros |
| AAB | Associació Aquariòfila de Barcelona |
| AAB | Association of Aircraft Brokers, Združenie sprostredkovateľov v leteckej doprave (angl.skr.) |
| AAB | Association of Applied Biologists |
| AAB | Associazione Artisti Bresciani |