| Abbreviation | Definition |
|---|---|
| AFRL | Air Force Research Laboratory |
| AFRS | Appalachian Fruit Research Station |
| AFRU | Aboriginal Fisheries Research Unit |
| AFRU | Accounting And Finance Research Unit |
| AGERI | Agricultural Genetic Engineering Research Institute |
| AGFF | Frigate Research Ship |
| AGOTC | Agnathia-otocephaly complex |
| AGPR | Archive for German Polar Research |
| AGR | Advanced Gear Research |
| AGR | American Glass Research |
| AGRA | Association of Genealogists and Researchers in Archives |
| AGRS | Adelaide Graduate Research Scholarships |
| AHRC | Ancient Hebrew Research Center |
| AHRC | Arts and Humanities Research Council |
| AHRD | Arts and Humanities Research Division |
| AHRE | Applied Health Research and Evaluation |
| AHRF | Ancient Historical Research Foundation |
| AHRI | Aware Home Research Initiative |
| AHRQ | Agency for Health Research and Quality |
| AHTR | Advances in Hospitality and Tourism Research |