| Abbreviation | Definition |
|---|---|
| ARDP | Arewa Research And Development Project |
| ARDU | Aircraft Research and Development Unit |
| ARDU | Aircraft Research Development Unit |
| ARE | Assistant Research Engineer |
| AREA | Association for Research and Environmental Aid |
| AREC | Agricultural Research and Extension Center |
| AREC | Applied Research And Education Center |
| AREF | Africa Research Excellence Fund |
| AREP | Atmospheric Research And Environment Programme |
| AREU | Afghanistan Research and Evaluation Unit |
| AREZ | Academic Research and Engineering Zone |
| ARF | Agricultural Research Foundation |
| ARF | Applied Research Facility |
| ARF | Archaeological Research Facility |
| ARG | Alcohol Research Group |
| ARG | American Research Group |
| ARGOS | Advanced Research and Global Observation Satellite |
| ARGOS | Argosadvanced Research And Global Observation Satellite |
| ARGOS | Aviation Research Group Orkney and Shetland |
| ARGUS | Advanced Research Group United Support |