BSN may refer to:
- Bachelor of Science in Nursing, a nursing degree
- Badan Standardisasi Nasional, an Indonesian standardization agency
- Bally Sports North, American regional sports network owned and operated by Bally Sports
- Baloncesto Superior Nacional, basketball league in Puerto Rico
- Bank Simpanan Nasional, Malaysia
- Biotechnology Society of Nepal
- Blockchain-based Service Network, China
- Blue Square North, English football league
- Body sensor network
- Boussois-Souchon-Neuvesel, French company, renamed Groupe Danone in 1994
- The British School in the Netherlands, The Hague
- Broadcasting System of Niigata, Japan
- Burgerservicenummer, the national identification number in the Netherlands
This disambiguation page lists articles associated with the title BSN.
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