DYC may refer to:

Damned yellow composite, any yellow flower in the family Asteraceae Dartford Youth Council, a county youth-led organisation in the United Kingdom Defend Your Castle, a Flash game by XGen Studios Destilerías y Crianza del Whisky S.A., a Spanish brand of whisky Detroit Yacht Club Department of Youth Corrections, for young offenders Dhananjaya Y. Chandrachud, the 50th Chief Justice of India