| AAB | Anderson Anderson and Brown |
|---|---|
| AAB | Arbejdernes Andels Boligforening |
| AAB | Asociación Andaluza de Bibliotecarios |
| AAG | holandská dutá miera |
| AAM | holandská a indonézska objemová miera |
| AAS | Aging and Adult Services |
| AAS | Anabolic Androgenic Steroid |
| AAS | Approved As Stands |
| AAS | Australian Accounting Standard |
| ABI | Available Bandwidth Index |