DLH

DLH is a three-letter abbreviation which may refer to:


 * Abbreviation for pre-war Deutsche Luft Hansa
 * DLH Group, a Danish timber supply company
 * Domestic long-haired cat
 * IATA code for Duluth International Airport in Duluth, Minnesota
 * Former abbreviation of General Directorate of the Infrastructural Investment in Turkey
 * ICAO designator for Lufthansa, a German airline
 * The Email-Domain for employees of Lufthansa.
 * Station code of the Amtrak Thruway station in Duluth, Minnesota


 * DLH, American data-platform abbreviation which may refer to: deductive lake house