| AAA | Anglická únia atlétov (angl.skr.) |
|---|---|
| AAM | Advertising Account Manager |
| AAS | AIDS-Aufklärung Schweiz (skr.) |
| AAS | Akademie für Arbeits- und Sozialrecht |
| AAS | Allround Automotive Solutions |
| AAS | Australian Accounting Standard |
| AAT | Association of Accounting Technicians |
| AAU | Amateur Athletic Union (skr.) |
| ABA | Accredited Business Accountant |
| ABE | Army Background Experiment |