BSE
- BSE (satellite)
- Bachelor of Engineering
- Bahrain Stock Exchange
- Baku Stock Exchange
- Banco de Seguros del Estado
- Barbados Stock Exchange
- Beijing Stock Exchange
- Bendigo South East College
- Bethe–Salpeter equation
- Biological systems engineering
- Black Sun Empire
- Board of Secondary Education, Odisha
- Bombay Stock Exchange
- Boston Stock Exchange
- Botswana Stock Exchange
- Bovine spongiform encephalopathy
- Breast self-examination
- Britain Stronger in Europe
- Budapest Stock Exchange
- Bulgarian Stock Exchange – Sofia
- Bury St Edmunds railway station
- COVID-19 lockdowns
- COVID-19 pandemic in California
- Creutzfeldt–Jakob disease
- Sematan Airport
- Stack Exchange