MHD may refer to:

  • MHD (rapper), a French rapper from the 19th arrondissement of Paris
  • MHD (album), the rapper's 2016 debut album
  • MHD, former name of the HDTV network for MTV, VH1, Palladia, and CMT now known as MTV Live
  • Mashhad International Airport's IATA code
  • Magnetohydrodynamics, the study of the magnetic properties and behaviour of electrically conducting fluids
  • Magnetohydrodynamics (journal)
  • Malteser International, an aid agency
  • Menstrual Hygiene Day, a day to raise awareness about menstrual hygiene management issues
  • Military history detachment, a unit of United States Army
  • Mindesthaltbarkeitsdatum, the German term for shelf life, printed on imported German food or medical products
  • Doctor of Marine Histories (DMH, formerly Marine Histories Doctorate or MHD), such as issued by Sea Research Society's College of Marine Arts
  • GNU libmicrohttpd, an embeddable HTTP server
  • Airline code for CAAC Airlines<!--From old timetable: http://www.timetableimages.com/ttimages/complete/caac56/caac56-1.jpg-->
  • Městská hromadná doprava (Czech) or mestská hromadná doprava (Slovak), public transport systems in Czech and Slovak cities
  • Marblehead, a historic town located in Massachusetts