| AA | Anti-Aliasing |
|---|---|
| AAB | Advertising Association of Baltimore |
| AAB | Antifašistická Akcia Bratislava (skr.) |
| AAD | Applied Acoustic Design (skr.) |
| AAD | Assistant Athletic Director |
| AAF | American Advertising Federation |
| AALTONEN | starší fínsky politik (Aimo, 1906-1987), v rokoch 1944-1945 a 1949-1966 predseda Komunistickej strany Fínska |
| AAM | Advertising Account Manager |
| AANO | starší nórsky politik a misionár |
| AAS | Association for Asian Studies |