HDG

HDG may refer to:


 * Handan Airport, in Hebei Province, China
 * Hans-Dietrich Genscher, leader of the German Free Democratic Party and longest-serving Vice Chancellor in German history.
 * Haus der Geschichte, a museum in Bonn, Germany
 * Havre de Grace, Maryland, a city in the United States
 * HDG International Group, an American energy company
 * Horizontal Working Party on Drugs (formerly Horizontal Drug Group), a preparatory body of the Council of the European Union
 * Hot dip galvanised steel, which consists of a cold reduced steel substrate onto which a layer of zinc is coated via a hot dip process to impart enhanced corrosion properties onto the base steel
 * Heading (disambiguation)
 * Heald Green railway station, in England
 * Helicópteros de Guatemala, a Guatemalan helicopter operator
 * Hunter Douglas, a Dutch window manufacturer