DH, Dh, dh, or dH may refer to:

Places

  • DH postcode area, in the United Kingdom for the area of Durham and surrounding towns
  • Diamond Head, Hawaii, a volcanic tuff cone on Oʻahu
  • Dadra and Nagar Haveli and Daman and Diu, a union territory of India (ISO 3166-2)

Organisations

  • D+H, a Canadian financial services company
  • Department of Health (United Kingdom), a department of the UK government
  • DH Press, the Dark Horse Comics imprint that publishes novels
  • Deccan Herald, an Indian newspaper
  • Dundonald House, a governmental building in Northern Ireland

Science and technology

  • Denavit–Hartenberg parameters, a type of robotics convention
  • Dermatitis herpetiformis, a skin disease
  • DH register, the high byte of a DX register in x86-compatible microprocessors
  • Diffie-Hellman key exchange (D-H), a specific method of securely exchanging cryptographic keys over a public channel
  • District heating, a method of heating multiple buildings from a central location
  • Doubled haploidy, a genetic status
  • Deuterium:protium (D:H), a ratio in deuterium-depleted water
  • °dH, deutsche Härte, a unit of water hardness
  • Dorsal horn of the spinal cord, or posterior grey column

Sports

  • Designated hitter, a baseball rule
  • Doubleheader (baseball)
  • Doubleheader (television)
  • Downhill (ski competition), a skiing discipline
  • Downhill mountain biking, a bicycling discipline

Transportation

  • de Havilland, a former UK aircraft manufacturer
  • Decision height, in aviation
  • Delaware and Hudson Railway
  • Independence Air (IATA code)
  • Timor (vehicle registration prefix DH)

Other uses

  • Dh (digraph), in linguistics
  • Dear husband, a shorthand phrase common in online forums
  • Donor husband
  • Digital humanities, a community of practice combining technology with humanistic inquiry
  • Documentary hypothesis or Wellhausen hypothesis, describing the origins of Judeo-Christian scripture
  • Desperate Housewives, television series
  • Domestic Helper
  • Informal abbreviation for Harry Potter and the Deathly Hallows

See also

  • Degrees of general hardness (dGH), a unit of water hardness
  • Dirham, a unit of currency in several Arab states
  • Moroccan Dirham abbreviated as Dh
  • United Arab Emirates dirham, unofficially abbreviated DH