- Alternative letter-case form of DC#English|DC
- (geography) Initialism of District of Columbia, a federal district of the United States of America.
- (geography) Initialism of Dubai City, to distinguish it from Dubai Emirate.
- Initialism of Dreamcast
- Initialism of Dictionary of Canadianisms on Historical Principles}; DCHP.
- (legal) district court
- (electrical) direct current
- (degree) doctor of chiropractic
- (banking) debit card
- (law enforcement) detective constable, a police rank used in Commonwealth countries
- (UK, pensions) Initialism of defined contributions
- (computing, Microsoft Windows) Initialism of device context
dc (not comparable)
- (video coding) Initialism of direct#English|direct coded#English|coded.
- (electrical) AC
- Russian: постоя́нный ток
- Abbreviation of December#English|December.