| Abbreviation | Definition |
|---|---|
| AGOA | African Growth and Opportunity Act |
| AGP | Associate Government Program |
| AGP | Automatic Giving Plan |
| AGRICOLA | Agricultural OnLine Access |
| AGS | A Graduate Student |
| AH | Alexander Hamilton |
| AHCPR | Agency for Health Care Policy and Research |
| AHM | Acutely Hazardous Material |
| AHM | Adaptive Harvest Management (U.S. Fish Wildlife Service) |
| AHM | Adaptive Harvest Management (U.S. Fish & Wildlife Service) |
| AHPCRC | Army High Performance Computing Research Center |
| AHQ | Administrative Head Quarters |
| AHQR | Agency for Healthcare Quality and Research |
| AHR | Ad Hoc Report |
| AHRQ | Agency for Health Care Research and Quality |
| AHRQ | Agency for Healthcare Quality and Research |
| AHRQ | Agency for Healthcare Research and Quality |
| AI | Additional Information (Letter) |
| AI | Already Informed |
| AI | Artificial Ignorance |