Posted in Government & Military, Health & Medicine, Organizations, Schools & Education, Science DOHC stands for Double Overhead Camshaft (engine valve train architecture) DOHC stands for Dual Overhead Camshaft (engines) DOHC stands for Department of Health and Children (Ireland) DOHC stands for David Ormerod Hearing Centres (hearing aids; UK) DOHC stands for Datek Online Holdings Corporation