NDAC

NDAC may refer to:


 * The U.S. National Defense Advisory Commission of the Office for Emergency Management, set up during the administration of President Franklin D. Roosevelt
 * National Diving and Activity Centre, England
 * North Dakota Agricultural College, now known as North Dakota State University
 * Neodymium acetate, a compound where Nd is neodymium and Ac is a trivial symbol for acetate.