| Abbreviation | Definition |
|---|---|
| AR | Academic Research |
| AR | Applied Research |
| AR | Archery Research |
| ARA | Antenna Research Associates |
| ARA | Arkansas Research Alliance |
| ARA | Artistic Research Archive |
| ARA | Artistic Research Archives |
| ARAC | Aids Research Advisory Committee |
| ARAF | Augustana Research and Artist Fund |
| ARAG | Advanced Research and Assessment Group |
| ARAG | Assurance Research Advisory Group |
| ARAI | Automotive Research Association of India |
| ARAN | Access to Research At NUI |
| ARC | Academic Research Collaborative |
| ARC | Aftercare Research Counselling |
| ARC | Amyloidosis Research Consortium |
| ARC | Applied Research Center |
| ARC | Aviation Research Centre |
| ARCA | Aids Research Consortium Of Atlanta |
| ARCA | AIDS Research Consortium of Atlanta |