CHD may refer to: Medicine Congenital heart defect Coronary heart disease Organizations Church and Dwight, US household product manufacturer, NYSE symbol Transportation Russian Air Force, ICAO code Chesterfield railway station, England, National Rail code Chandler Municipal Airport, Arizona, USA, FAA LID Technology Compressed Hunks of Data, a file format used by the MAME emulator Other Chad, UNDP country code Chicago Hittite Dictionary, Oriental Institute of the University of Chicago