BSB

BSB may refer to:

Back side bus (Certain type of data bus in a computer)
A Bank State Branch identifier. This is a 6 digit code used within Australia's financial sector to identify individual branches of financial institutions.
The IATA airport code for Presidente Juscelino Kubitschek International Airport in Brasília, Distrito Federal, Brazil.
British Satellite Broadcasting, a UK broadcaster which merged with Sky Television to form British Sky Broadcasting (BSkyB).
The Backstreet Boys.
Brigade Speciale Beveiligingsopdrachten - Dutch special forces