Diadem (disambiguation)

Not to be confused with Diadema (disambiguation).

Diadem may refer to:

• Diadem, a type of crown

Military

• HMS Diadem was a 64-gun third rate ship of the line in the Royal Navy launched in 1782 at Chatham and participated in the Battle of Cape St Vincent in 1787
• HMS Diadem was the lead ship of the Diadem-class of protected cruiser in the Royal Navy launched in 1896
• HMS Diadem was a Dido-class cruiser of the Royal Navy in World War II, launched in 1942, and transferred to Pakistan in 1956 as Babur.
• Operation Diadem, a military operation in World War II's Italian Campaign

Arts and entertainment

• Diadem (series), a series of books by John Peel
• The Diadem Saga, a science fiction series by Jo Clayton
• "Diadems," a song by Megadeth on the soundtrack of the film Demon Knight
• Diadem, the most popular tune for the hymn All Hail the Power of Jesus' Name

Animals

• Diademed monkey, another name for Blue Monkey or Pluto Monkey (Cercopithecus mitis)
• Diadem Roundleaf Bat (Hipposideros diadema)
• Mograbin Diadem Snake (Spalerosophis dolichospilus)
• Diadems, the butterfly genus Hypolimnas
• Diadem spider, the European garden spider (Araneus diadematus), so called from its crown-shaped markings
• Diadem (horse), a 20th-century Thoroughbred racehorse

Other

• Diadem (star) is the brightest star in the constellation Coma Berenices.
• Diadem Peak, a mountain in Alberta, Canada
• DIAdem, a technical software for managing, analyzing, and reporting technical data from National Instruments