ATDC

ATDC may refer to:
 * Advanced Technology Development Center is a science and business incubator in Georgia.
 * Advanced Technology Development Complex, part of Michigan Technological University
 * Assam Tourism Development Corporation, is a state owned public sector undertaking in India.
 * after top dead centre, in ignition timing of internal combustion engines
 * the ataxia-telangiectasia group D complementing gene