NBBI
| Acronym | Definition |
|---|---|
| NBBI | National Board of Boiler and Pressure Vessel Inspectors |
| NBBI | New Brunswick Bible Institute (Victoria Corner, NB, Canada) |
| NBBI | National Benefit Builders, Inc. (Florham Park, NJ) |
| NBBI | Nederlands Bureau voor Bibliotheekwezen en Informatieverzorging (Dutch: Dutch Agency for Libraries and Information Services; Netherlands) |