| AAB | Alliance Agricole Belge |
|---|---|
| AAC | Alliance Agricole Belge |
| AACO | Australian Agricultural Company (skr.) |
| ABR | Agreement for Boat Repair |
| ADD | Algebraic Decision Diagram |
| ADM | Arrow Diagram Method |
| AE | Agricultural Engineer |
| AES | Agricultural Experiment Station |
| AGB | Agrobanka (skr.) |
| AGRÁR | agrárnik |