Dione may refer to:

Astronomy 106 Dione, a large main belt asteroid Dione (moon), a moon of Saturn Helene (moon), a moon of Saturn sometimes referred to as "Dione B"

Mythology Dione (Titaness), a Titaness in Greek mythology Dione (mythology), a name for various women in Greek mythology

Biology Dione (alga), a genus of red algae in the family Bangiaceae Dione (butterfly), a genus in the family Heliconiinae Pitar dione, the elegant venus clam

Ships Dione 98, a Spanish sailboat design USCGC Dione, a US Coast Guard Cutter

Chemistry Diketone (Dione), a molecule containing two ketone groups Ethylene dione (ethylenedione, ethene dione, or ethene 1,2-dione), a hypothetical chemical compound with the formula C2O2 (O=C=C=O)

Given name Dione Digby, Baroness Digby (born 1934), British arts administrator Dione Housheer (born 1999), Dutch handball player Dee Dee Sharp (born Dione LaRue, 1945), American R&B singer Dione Lucas (1909–1971), English chef and first female graduate of Le Cordon Bleu Dione Meier (born 1981), Canadian softball player Dione Orrom, British producer Dione Miguel Ribas (born 1993), Brazilian footballer Dione Santos (born 1979), Brazilian footballer Dione Taylor (born 1975), Canadian jazz singer Dione Venables (1930–2023), English female novelist and publisher

Literature Dione (play), a 1720 work by the British writer John Gay

Popular culture Dee Bliss (Dione "Dee" Rebecchi), from the Australian soap opera Neighbours Thanos, a villain in Marvel Comics, was originally given the name by his mother

Surname Dione (Serer surname), a West African surname among the Serer people with no connection to the French "Dione" Rose Dione (1875–1936), French actress Aura Dione, Danish singer-songwriter

Other Dione plc, a former UK-based point-of-sale equipment manufacturer, now part of VeriFone

See also