| AA | Anti-Aliasing |
|---|---|
| AA | iniciály Agassi |
| AAB | Advertising Association of Baltimore |
| AAB | Antifašistická Akcia Bratislava (skr.) |
| AAB | Associação dos Arquivistas Brasileiros |
| AAB | Australasian Associated Brewers |
| AACO | Asian Americans for Community Outreach |
| AAD | Assistant Athletic Director |
| AANS | Afroasian News Service (skr.) |
| AAS | Against Assisted Suicide |