DBC may refer to:
- DBC Pierre, a contemporary writer
- Detroit Boat Club, a historic rowing club
- Design by contract, a methodology for designing computer software
- Direct Bonded Copper, a power electronic substrate
- Dead Brain Cells, a Canadian thrash metal band
- Dynamic Brake Control, when the driver seeks to stop in an emergency situation, the system speeds up and reinforces the brake application in order to provide maximum braking in the minimum distance
- dBc, decibels relative to carrier, a common measurement in RF engineering to specify the power of a sideband in a modulated signal relative to the carrier in decibels
- dB(C), C-weighted decibels, a loudness measurement in acoustics
- Claude Debussy, a French composer
- database connection libraries, e.g., jdbc
- Digital Broadcasting Corporation, a radio broadcasting corporation in Hong Kong