| CASCO | druh havarijného poistenia |
|---|---|
| AAB | Airport Advisory Board |
| AAB | Associação dos Arquivistas Brasileiros |
| AAB | Associazione Artisti Bresciani |
| AAB | Atelier Artistique du Beton |
| AAB | Ateliers-Artistes-Belleville |
| AACO | Amaryllis Avakian Clinica Oftalmologica |
| AACO | Armenian American Christian Outreach |
| AAI | kód letiska Arraias |
| AALTO | fínsky realistický architekt (Alvar, 1898-1976) |