| Abbreviation | Definition |
|---|---|
| NAVLAB | NAVigation LABoratory |
| NB | Nursing Building |
| NBA | National Board of Accreditation |
| NBAC | Noel Butlin Archives Centre, Australian National University |
| NBB | Neuro- Biology and Behavior |
| NBBS | Norris Baptist Bible Seminary |
| NBE | Network-Based Education |
| NBEA | National Business Educators Academy |
| NBI | Newport Business Institute |
| NBKRIST | Nedurimalli Bala Krishna Reddy Institute of Science and Technology |
| NBME | National Board of Medical Examiners |
| NBPA | Normali Buone Pratiche Agricole |
| NBS | NUS (National University of Singapore) Business School |
| NBTS | Northern Baptist Theological Seminary |
| NBU | New Bridge University |
| NBU | New Bulgarian University |
| NBU | North Bengal University |
| NC | No Calculator |
| NC | No Class |
| NC | No Credits |