IBSR
| Acronym | Definition |
|---|---|
| IBSR | Institut Belge pour la Sécurité Routière |
| IBSR | International Bariatric Surgery Registry (formerly National Bariatric Surgery Registry) |
| IBSR | Internet Brain Segmentation Repository (online database; Center for Morphometric Analysis; Massachusetts General Hospital) |
| IBSR | Integrated Billing Storage and Retrieval |
| IBSR | Inquiry Based Stress Reduction (behavioral health system) |
| IBSR | Individual Battle Shooting Range (British Army) |