A diadem is a type of crown.

Diadem may also refer to:

Maritime

  • , several vessels of the Royal Navy
  • Diadem (ship), several merchant vessels

Arts and entertainment

  • Diadem (board game), a 1981 science fiction game
  • Diadem, a science fiction series by John Peel
  • The Diadem Saga, a science fiction series by Jo Clayton
  • "Diadems", a song by Megadeth on the soundtrack for the film Demon Knight (soundtrack)
  • "Diadem", a tune used for the hymn "All Hail the Power of Jesus' Name"
  • The Diadem, a 1969 short movie starring Diana Rigg

Animals

  • Diademed monkey
  • Diadem roundleaf bat
  • Mograbin diadem snake
  • Diadem spider
  • Diadems, the butterfly genus Hypolimnas
  • Diadem (horse), a 20th-century Thoroughbred racehorse

Other uses

  • Diadem (star), a star in the constellation Coma Berenices
  • Operation Diadem, a military operation in World War II's Italian Campaign
  • Diadem Peak, a mountain in Alberta, Canada
  • DIAdem, a technical software for managing, analyzing, and reporting technical data from National Instruments

See also

  • Diadema (disambiguation)