| Acronym | Definition |
|---|
| COSAR➣Consortium of Semiconductor Advanced Research |
| COSAR➣Correctional Officer Search and Rescue (Rhode Island) |
| COSAR➣Council of State Affiliate Representatives (American Geriatrics Society) |
| COSAR➣Central Okanagan Search and Rescue (Kelowna, BC, Canada) |
| COSAR➣Chancellor's Office Systemwide Administrative Reporting Code (California State University) |
| COSAR➣Compression Scanning Array Radar |