BSN

BSN may refer to:

• Bachelor of Science in Nursing, an undergraduate degree in nursing
• Baloncesto Superior Nacional, basketball league in Puerto Rico
• Bank Simpanan Nasional, the government-owned bank in Malaysia
• Biotechnology Society of Nepal, a non-profit biotechnology organization
• Blue Square North, the current sponsored name of one of the two leagues that form the second-highest level of non-league football in England
• Body sensor network, a wireless network of wearable computing devices
• Boussois-Souchon-Neuvesel, a French food and beverage company which changed its name to Groupe Danone in 1994
• Boy Scouts of Nippon, a former name of the Scout Association of Japan
• The British School in the Netherlands, a school in The Hague, the Netherlands
• Broadcasting System of Niigata, a Japanese TV station
• Burgerservicenummer, the national identification number in the Netherlands