OSAR
| Acronym | Definition |
|---|---|
| OSAR | Observatorio de Salud Reproductiva (Spanish: Reproductive Health Observatory; Guatemala) |
| OSAR | Output Segmentation and Reassembly |
| OSAR | Optical Storage And Retrieval |
| OSAR | Odessa State Academy of Refrigeration (Ukraine) |
| OSAR | Office Suisse d'Aide aux Refugies (French) |
| OSAR | Ocean Search and Rescue |
| OSAR | Operating Statement Analysis Report |
| OSAR | Operational Safety Analysis Report |
| OSAR | Operations Suitability Assessment Report |
| OSAR | On Site Analysis Report (US Navy) |