| 9V | Singapúr (označenie lietadiel) |
|---|---|
| AA | Anti-Aliasing |
| AAB | Advertising Association of Baltimore |
| AAF | American Advertising Federation |
| AAM | Advertising Account Manager |
| AAN | American Academy of Nursing |
| AAS | Australian Alumni Singapore |
| AAS | Automobile Association of Singapore |
| ABA | Accredited Business Accountant |
| ABE | japonský politik - premiér (Šinzó, *1954) |