BSN may refer to: Broadcasters Bally Sports North, Midwestern United States Broadcasting System of Niigata, Japan
Businesses and organisations Badan Standardisasi Nasional, an Indonesian standardization agency Bank Simpanan Nasional, Malaysia Biotechnology Society of Nepal Boussois-Souchon-Neuvesel, French company, renamed Groupe Danone in 1994 Boy Scouts of Nippon, a former name of the Scout Association of Japan The British School in the Netherlands, The Hague
Sport Baloncesto Superior Nacional, a Puerto Rican basketball league Blue Square North, an English football league
Technologies Blockchain-based Service Network, China Body sensor network
Other uses Bachelor of Science in Nursing, a nursing degree Burgerservicenummer, the national identification number in the Netherlands