NBSI
| Acronym | Definition |
|---|---|
| NBSI | Not Blue Shoot It |
| NBSI | National Bank of the Solomon Islands |
| NBSI | National Bible Society of Ireland |
| NBSI | New Brunswick Sound Initiative (Canada) |
| NBSI | Nesbitt Burns Securities, Inc. |
| NBSI | New Brunswick Scientific Inc. |
| NBSI | National Biological Service Inventory |