| AAA | Amatérska atletická asociácia (skr.) |
|---|---|
| AAA | amateur athletic association (skr.) |
| AAB | Advertising Association of Baltimore |
| AAB | Airport Advisory Board |
| AAB | American Association for Bronchology |
| AAB | American Association of Bioanalytics |
| AAB | Anderson Anderson and Brown |
| AAB | Asociación Andaluza de Bibliotecarios |
| AAB | Associação dos Arquivistas Brasileiros |
| AAB | Associació Aquariòfila de Barcelona |