| D.C.B. | Dame Commander, Order of the Bath 
| Others |
| DC&B | Dilation, Curettage, and Biopsy
| Others |
| DCB | Daf Club Belgium
| Others |
| DCB | Daimler Chrysler Do Brasil
| Others |
| DCB | Dakota College at Bottineau
| Others |
| DCB | Damascus Community Bank
| Others |
| DCB | Dannebrog Cairo Boelus
| Others |
| DCB | Data Center Blocks
| Others |
| DCB | Data Center Bridging
| Others |
| DCB | Data Collection Board
| Others |
| DCB | Data Combiner Board
| Others |
| DCB | Data Comm for Business
| Others |
| DCB | Data Communication Board
| Others |
| DCB | Data Control Block
| Others |
| DCB | David Crowder Band
| Others |
| DCB | Dawson College Bound
| Others |
| DCB | de Lorean Club Belgium
| Others |
| DCB | Decimal Code Binary
| Others |
| DCB | Declining Card Balance
| Others |
| DCB | Declining Cash Balance
| Others |
| DCB | Deep Crystal Blue
| Others |
| DCB | Delaware County Bank
| Others |
| DCB | Demand Collection and Balance
| Others |
| DCB | Demand Collection Balance
| Others |
| DCB | Demand, Collection, & Balance
| Others |
| DCB | Dependent Care Benefit
| Others |
| DCB | Desert Community Bank
| Others |
| DCB | Development Credit Bank
| Others |
| DCB | Device Control Block
| Others |
| DCB | Diesel Cetane Booster
| Others |
| DCB | Digital Camera Back
| Others |
| DCB | Digital Channel Bank
| Others |
| DCB | Digital Control Bus
| Others |
| DCB | Direct Carrier Billing
| Others |
| DCB | Direct Connection Broadband
| Others |
| DCB | Direct Copper Bon
| Others |
| DCB | Direct Copper Bonding
| Others |
| DCB | Directional Code Beacon
| Others |
| DCB | Directory Cache Buffer
| Others |
| DCB | Directory Control Block
| Others |
| DCB | Disconnecting Circuit Breaker
| Others |
| DCB | Disk Co-Processor Board
| Others |
| DCB | Disk Coprocessor Board
| Others |
| DCB | Distributor Cap and Bottom
| Others |
| DCB | District Chapter Ball
| Others |
| DCB | Division of Cancer Biology
| Others |
| DCB | Driver Control Board
| Others |
| DCB | Drug Coated Balloon
| Others |
| DCB | Dulwich College Beijing
| Others |
| DCB | Dundas Concert Band
| Others |
| DCB | Durham Caching Brigade
| Others |
| DCB | Duster Clube Do Brasil
| Others |