HBN
HBN may refer to:
Science
- Haemoglobin N (HbN), a globin protein
- Hexagonal boron nitride
- Jacob Hübner (1761–1826), German entomologist
Other uses
- HBN Law, a law firm in Curaçao
- Healthy Building Network, an American green building non-profit
- Heiban language, spoken in Sudan
- Hollingbourne railway station, in England
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