BSB

BSB may refer to:

• Back side bus, a type of data bus in a computer
• Bank State Branch identifier, a 6 digit code used in Australia's financial sector to identify individual branches of financial institutions
• Presidente Juscelino Kubitschek International Airport (IATA airport code) in Brasília, Federal District, Brazil
• Bandar Seri Begawan, the capital of the Sultanate of Brunei
• British Satellite Broadcasting, a UK broadcaster which merged with Sky Television to form British Sky Broadcasting (BSkyB)
• The Backstreet Boys, a boy band
• Brigade Speciale Beveiligingsopdrachten, Dutch special forces
• Bournemouth School for boys, a selective grammar school in Dorset, England
• British Superbike, a motorcycle racing championship