Diana can refer to:

In television and film:

• Diana, Iranian-Norwegian model and pornographic actress
• Diana Muldaur, American television and film actress
• Diana Rigg, English actress
• Diana Ross, American singer and actress

In music:

• "Diana", song by Bryan Adams
• Diana (song), song by Paul Anka that was a No. 1 single in 1957
• Diana DeGarmo, runner-up on American Idol season 3
• Diana Krall, popular jazz pianist and singer
• "Dirty Diana", popular song by Michael Jackson

In fiction:

• Diana (mythology), Ancient Roman Goddess of the moon, animals, hunting, children and childbirth
• Diana (Sailor Moon), fictional character in the Japanese anime Sailor Moon
• Diana Prince, the alter-ego of Wonder Woman

In geography:

• Diana, region in Madagascar
• Diana, New York, town in Lewis County, New York, United States

In astronomy:

• 78 Diana, asteroid
• Diana (crater), crater on the Moon

In other fields:

• Diana, Roman fortress in the Serbian city of Golubac
• Diana (1840 ship), 19th century whaling ship
• Diana, Princess of Wales, the first wife of Charles, Prince of Wales
• Diana camera, an inexpensive toy box camera popular with art photographers
• Diana Monkey, a West-African member of the Old World Monkey superfamily or Cercopithecidae

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