The acronym HDL stands for

  • High-density lipoprotein, a protein for the transport of lipids, vulgo "good cholesterol"
  • Diploma commercial teacher, a graduate of the degree program in Business Education
  • Hardware Description Language, a formal language in information technology
  • HDL ( NDB ), the identifier of a radio beacon at Plank city
  • Fund of the German Lions, a service organization of all German Lions Club in support of major projects
  • High pressure fire-extinguishing system, a method in firefighting
  • The Last Hope, an Italian post-hardcore band from Ladispoli
  • Colloquially in chats Have You Dear, see list of abbreviations (network jargon ) # H

HDL as a distinguishing mark on license plate:

  • Germany: Landkreis flange ( for Haldensleben )

See also:

  • Disambiguation
  • Abbreviation