BCB can mean:
- Beat City Band — an American party band based out of Philadelphia, PA
- Bangladesh Cricket Board — the main governing body on Cricket in Bangladesh
- Bauer College of Business — an academic college at the University of Houston
- Benzocyclobutene — a polycyclic aromatic hydrocarbon
- Board Certified in Biofeedback — a certification administered by the Biofeedback Certification Institute of America
- Bioinformatics and computational biology
- Central Bolívar Bloc — a Colombian paramilitary organization known by the Spanish initials BCB
- Border City Brawlers — roller derby league from Windsor, Ontario
- Borland C++ Builder — a popular rapid application development (RAD) environment
- Bradford City Radio — a small radio station in the early '90s
- Broadcast band — several segments of the radio spectrum
- Burscough Bridge railway station — the National Rail station designated BCB
- Jimmy Vivino and the Basic Cable Band — the band from Conan O'Brien's late night show Conan
- BCB, the ATA airport code for the Virginia Tech Montgomery Executive Airport in Blacksburg, Virginia
- BCB, brooklyn central booking, nypd