| Abbreviation | Definition |
|---|---|
| AFCD | Agriculture, Fisheries and Conservation Department |
| AFFECT | Assisting Federal Facilities with Energy Conservation Technologies |
| AGWC | Ady Gil World Conservation |
| AHCD | Assiniboine Hills Conservation District |
| AHCE | Affordable Housing Conservation Easement |
| AKA | Also Known As |
| ALCC | Arctic Landscape Conservation Cooperative |
| ALUS | Alternative Land Use Services |
| AMCS | Australian Marine Conservation Society |
| AMNC | Aire marine nationale de conservation |
| AMNC | Aires marines nationales de conservation |
| ANCA | Australian Nature Conservation Agency |
| APPROX | Approximately |
| ARCF | Agricultural Resources Conservation Fund |
| ARCI | Avian Research and Conservation Institute |
| ARRC | Africa Rainforest and River Conservation |
| ASAP | As Soon As Possible |
| ASC | Adventurers and Scientists for Conservation |
| ASCM | Asian Society of Conservation Medicine |
| ATBC | Association of Tropical Biology and Conservation |