| AAB | Airport Advisory Board |
|---|---|
| AAB | Application Architecture Blueprint |
| AAB | Arbejdernes Andels Boligforening |
| AAB | Army Air Base |
| AAB | Asociación Andaluza de Bibliotecarios |
| AAB | Associação dos Arquivistas Brasileiros |
| AAB | Associació Aquariòfila de Barcelona |
| AAB | Associazione Artisti Bresciani |
| AAB | Atelier Artistique du Beton |
| AAB | Ateliers-Artistes-Belleville |