NBSR
| Acronym | Definition |
|---|---|
| NBSR | New Brunswick Southern Railway (Canada) |
| NBSR | Notebook of Srinivasa Ramanujan |
| NBSR | National Bariatric Surgery Registry (obesity surgery) |
| NBSR | National Bureau of Standards Reactor |
| NBSR | National Board for Scientific Research (Libya) |
| NBSR | Night Back Stance Running (gaming) |