DCB

DCB may stand for:

• Dame Commander of the Order of the Bath
• Development Credit Bank, a private-sector bank in India
• David Campbell Bannerman (born 1960), a British politician
• David Crowder Band, a Christian rock band
• Dictionary of Canadian Biography
• Dulwich College Beijing, a British international school in Beijing, China
• Dope Circle Boyz, a Finnish hip-hop group

In science and technology

• Disconnecting circuit breaker, a high-voltage circuit breaker with disconnectors integrated into the breaking chamber
• Data center bridging, in computer networking
• Data Control Block, a data structure for accessing data sets on IBM mainframes
• Double Cantilever Beam, a test specimen in fracture mechanics
• Dichlorobenzene
• Digital Control Bus, a proprietary MIDI-like interface by Roland Corporation
• Direct Copper Bonding, also Direct Bonding Copper, a type of power electronic substrate
• Direct Carrier Billing, a method of doing digital financial transactions
• Dithionite-Citrate-Bicarbonate method used for iron oxide removal from clays in soil science