NRB

NRB is an initialism or code that may refer to:

• National Reconstruction Bureau, 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
• Nil-rate band, which establishes the amount someone can inherit without paying inheritance tax in the United Kingdom
• Non-rebreather mask, device used for emergency oxygen therapy
• Norbury railway station, England (station code NRB)
• Nuclear Recycle Board, part of Bhabha Atomic Research Centre in India
• People's Republic of Bulgaria (Bulgarian: Народна република България, Narodna Republika Balgariya)

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