| Abbreviation | Definition |
|---|---|
| A4NH | Agriculture for Nutrition and Health |
| AAA | Agricultural Adjustment Act |
| AAA | Agriculture and Allied Activities |
| AAACE | American Association of Agricultural College Editors |
| AAD | Arkansas Agriculture Department |
| AADS | All American Dairy Show |
| AAE | Agricultural and Applied Economics |
| AAE | Agricultural Applied Economics |
| AAEA | Agricultural & Applied Economics Association |
| AAEA | Agricultural Applied Economics Association |
| AAEP | Afghan Agricultural Extension Project |
| AAEP | Afghanistan Agricultural Extension Project |
| AAES | Arkansas Agricultural Experiment Station |
| AAF | AGCO Agriculture Foundation |
| AAF | Andys Apple Farm |
| AAFC | Agriculture & Agri-Food Canada |
| AAFC | Agriculture and Agri Food Canada |
| AAFC | Agriculture and Agri-Food Canada |
| AAFCO | Association of American Feed Control Officials |
| AAFR | Agricultural Apple Farming Robot |