BZN is a Dutch pop band.
BZN, Bzn, or bzn could also refer to:
- Boano language (Maluku), a language spoken in Boano island, Indonesia, by ISO 639 code
- Bozeman Yellowstone International Airport, an airport in Belgrade, Montana, U.S., by IATA and FAA codes
- Balzan, a town in Malta, by postal code
- Brezinaite, a rare mineral composed of chromium and sulfur
- Bagnan railway station, a train station in Bagnan, West Bengal, India