| Acronym | Definition |
|---|
| ESAR➣Eastern and Southern African Region |
| ESAR➣Explorer Search and Rescue |
| ESAR➣Emergency Services Adventure Race |
| ESAR➣École Spéciale d'Architecture de Lausanne (French: Special School of Architecture in Lausanne; Switzelrand) |
| ESAR➣Electronic Student Aid Report |
| ESAR➣Environmental Situation Assessment Radar (x-band radar for detecting birds at airfields) |
| ESAR➣Electronically Steerable Array Radar |
| ESAR➣Enhanced Synthetic Aperture Radar |
| ESAR➣Electromagnetic Spectrum Allocation Request |
| ESAR➣Engineers and Scientists for Animal Rights |
| ESAR➣Extended Subsequent Application Review |
| ESAR➣Empirically Successful Automated Reasoning |
| ESAR➣Emissions Security Assessment Request |
| ESAR➣Equivalent Still-Air Range |
| ESAR➣Electronic Satellite Access Request |