CNB
- Breast biopsy
- Central Narcotics Bureau
- Changi Naval Base
- Cherokee Nation Businesses
- City National Bank (disambiguation)
- City News Bureau of Chicago
- Conjunto Nacional (Brasília)
- Coonamble Airport
- Cosmic neutrino background
- Czech National Bank
- In Black and White (Montenegro)
- Kanpur Central railway station
- National Ballet of Portugal
- Shö language
- Spanish National Center for Biotechnology