Dione

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

Boating

 * Dione 98, a Spanish sailboat design

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 Lucas (1909–1971), English chef and first female graduate of Le Cordon Bleu
 * Dee Dee Sharp (born Dione LaRue, 1945), American R&B singer
 * Dione Santos (born 1979), Brazilian footballer
 * Dione Taylor, Canadian jazz singer

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