YDC may refer to: Youth detention center, a type of prison for people under the age of majority Yousuf Dewan Companies, a conglomerate company based in Karachi, Pakistan Yali Dream Creations, an Indian comic books publisher Youkon Distributed Caching, the Microsoft internal name for space-based architecture, a distributed computing concept YDC, the IATA code for Drayton Valley Industrial Airport, Alberta, Canada
See also CYDC, the ICAO code for Princeton Aerodrome in British Columbia, Canada YdcW, two enzymes