| Acronym | Definition |
|---|
| RADAR | Radio Detection And Ranging |
| RADAR | Royal Association for Disability And Rehabilitation (London, England) |
| RADAR | Regional Alcohol and Drug Awareness Resource |
| RADAR | Rational Assessment of Drugs and Research (Australia) |
| RADAR | Register of Australian Drug and Alcohol Research (Australia) |
| RADAR | Rural AIDS and Development Action Research (Programme, South Africa) |
| RADAR | Radio Association Defending Airwave Rights |
| RADAR | Radio Assisted Detection and Ranging |
| RADAR | Results, Approaches, Deploy, Assess, Refine |
| RADAR | Reflective Agents with Distributed Adaptive Reasoning |
| RADAR | Radio's All-Dimension Audience Research |
| RADAR | Rights, Availabilities, Distribution, Analysis, and Reporting |
| RADAR | Random Access Digital Audio Recorder |
| RADAR | Risk Assessment and Decision Analysis Research Group (Queen Mary and Westfield College, London, England) |
| RADAR | Resource And Data Activity Repository |
| RADAR | Recipe Analysis Development and Reporting (software) |
| RADAR | Rassembler, Diffuser Les Archives de Révolutionnaires (French: Collect and Disseminate the Revolutionary Archives) |
| RADAR | Removing Aggressive Drivers and Road Rage |
| RADAR | Reseau Afro-Asiatique pour le Developpement de l'Aviculture Rurale |
| RADAR | Radical Arkansas |
| RADAR | Retrieve Assess Decide Action Review (decision making process) |