BRN
Appearance
BRN is a three-letter acronym that may refer to:
- Board of Registered Nursing
- Barisan Revolusi Nasional, an insurgent movement in Southern Thailand
- Basic reproduction number, a measure of the speed in which an epidemic spreads
- Berne Airport, Switzerland, IATA airport code
- British Royal Navy, the navy of the United Kingdom of Great Britain and Northern Ireland
- Brunei Darussalam, ISO 3-letter country code
- Bulk Richardson number, meteorological number relating vertical stability and vertical shear
- Bunte Republik Neustadt, a district festival in Dresden-Neustadt