CNB may refer to:
- Kanpur Central railway station, India (station code CNB)
- Central Narcotics Bureau, Anti-Narcotics force in Singapore
- Centro Nacional de Biotecnología, the Spanish National Center for Biotechnology
- Cherokee Nation Businesses
- Companhia Nacional de Bailado, the National Ballet of Portugal
- Cosmic neutrino background, in cosmology, a type of particle radiation originating from the big bang
| This disambiguation page lists articles associated with the title CNB.
If an internal link led you here, you may wish to change the link to point directly to the intended article.