Wikipedia
NRB
NRB is an acronym, abbreviation, or initialism that may refer to:
- National Reconstruction Bureau, Defunct Pakistani government institution for economic recovery and prosperity
- National Religious Broadcasters, international association of Christian communicators
- Nederlandse Rugby Bond, Dutch rugby union governing body
- Nepal Rastra Bank, central bank of Nepal
- New Research Building, Harvard University biomedical research facility
- Non-rebreather mask, device used for emergency oxygen therapy
- Norbury railway station, England (station code NRB)
- People's Republic of Bulgaria (, Narodna republika Bulgaria)
- Navigating Rensselaer and Beyond, Rensselaer Polytechnic Institute freshman orientation week.