| Abbreviation | Definition |
|---|---|
| AEMA | Alabama Emergency Management Agency |
| AEMA | Alberta Emergency Management Agency |
| AER | Alberta Energy Regulator |
| AERN | Adirondack Economic Resource Network |
| AERO | Alternative Education Resources Ontario |
| AERS | Adult Evaluation and Review Services |
| AESB | Agri-Environment Services Branch |
| AESC | Alabama Employer Services Committee |
| AEUB | Alberta Energy and Utilities Board |
| AF | Across the Flats |
| AF | Atlanta-Fulton |
| AFC | America's Finest City |
| AFCLU | Adult Foster Care Licensing Unit |
| AFPS | Adult Family Placement Service |
| AFS | Auxiliary Fire Service |
| AFSB | Adult Field Services Bureau |
| AFSB | Agri-Food Strategy Board (N.I.) |
| AFSCME | American Federation of State County and Municipal Employees |
| AG | Accountant General |
| AG | Aspiring Governor |