VISAR
| Acronym | Definition |
|---|---|
| VISAR | Virgin Islands Search and Rescue (British Virgin Islands) |
| VISAR | Video Image Stabilization and Registration (image enhancement software) |
| VISAR | Vienna Interdisciplinary Symposium on Aortic Repair (cardiology) |
| VISAR | Victorian Injury Surveillance and Applied Research System (Australia) |
| VISAR | Velocity Interferometer System for Any Reflector |
| VISAR | Voice Interoperability System for Amateur Radio |