HDL
# HDL

HDL may refer to one of the following:

* Hardware description language
* Harry Diamond Laboratories, a U.S. Army laboratory
* Handle System identifier (Hdl.handle.net)
* Headstone Lane railway station, London, National Rail station code
* High-density lipoprotein
* Les Hurlements d'Léo, an alternative rock band from France
* GE HDL diesel engine
* HDL System, HDL Universal Tactical role-playing game system produced by Tremorworks, LLC
* Huntington's disease-like syndromes, a family of genetic neurological diseases
* Huey, Dewey and Louie, Donald Duck's nephews
