| Abbreviation | Definition |
|---|---|
| ARCS | Academic Research Connecting The Sciences |
| ARCS | Alliance for Research on Corporate Sustainability |
| ARCT | Ageing Research Computational Tools |
| ARD | Acoustic Research Detachment |
| ARD | Aeronautical Research and Development |
| ARD | Agricultural research for development |
| ARD | Association of Research Directors |
| ARDA | Advanced Research And Development Activity |
| ARDA | Applied Research And Development Associates |
| ARDC | Air Research and Development Command |
| ARDC | Air Research Development Center |
| ARDC | American Research and Development Corporation |
| ARDC | Architecture Research and Design Center |
| ARDC | Automotive Research and Development Center |
| ARDC | Automotive Research and Development Centre |
| ARDE | Armament Research And Development Establishment |
| ARDI | Access to Research for Development and Innovation |
| ARDL | Advanced Research and Diagnostic Laboratory |
| ARDP | Agrarian Research Development Programme |
| ARDP | Applied Research and Development Program |