BCB can mean:
Government, politics, & industry Banco Central do Brasil (Central Bank of Brazil), a state-owned bank and principal monetary authority Banque de Crédit de Bujumbura, a commercial bank in Burundi Bauer College of Business, an academic college at the University of Houston Board Certified in Biofeedback, a certification administered by the Biofeedback Certification Institute of America Central Bolívar Bloc, a Colombian paramilitary organization known by the Spanish initials BCB
Science Benzocyclobutene, a polycyclic aromatic hydrocarbon Brilliant cresyl blue, a supravital stain
Sport Bangladesh Cricket Board, the main governing body for cricket in Bangladesh Bermuda Cricket Board, the main governing body for cricket in Bermuda Border City Brawlers, roller derby league from Windsor, Ontario British Championship Basketball, second tier men’s professional basketball league in Great Britain
Technology Borland C++ Builder, a popular rapid application development (RAD) environment
Transport Burscough Bridge railway station, the National Rail station designated BCB BCB, the IATA airport code for the Virginia Tech Montgomery Executive Airport in Blacksburg, Virginia
Other
Body cavity bomb, an explosive device hidden in the body