Deucalion is the son of Prometheus, survivor of the Deucalian flood.

Deucalion may also refer to:

• In Greek mythology, see Deucalion (mythology)

• Deucalion, a red alga genus in the family Wrangeliaceae
• Deucalion (beetle), a beetle in the family Cerambycidae
• 53311 Deucalion, a trans-Neptunian object

• MV Deucalion, a refrigerated cargo ship that was sunk in 1942 during Operation Pedestal
• USS Deucalion (AR-15), a repair ship built for the United States Navy during World War II

• Deucalion (novel), a 1995 novel by Brian Caswell
• Deucalion, one of the names of the main character from Dean Koontz and Kevin J. Anderson's series of novels, Dean Koontz's Frankenstein
• Deucalion, a vampiric bloodline in the role-playing game Vampire: The Requiem
• Deucalion, the name of a dragon in Dianna Wynne Jones book Dark Lord of Derkholm
• Deucalion, the name of a fictional spaceship in Kiddy Grade
• Deucalion, the name of a werewolf in Teen Wolf (2011 TV series)
• Deucalion, the name of the hotel where Morrgian Crow of The Nevermoor series lives in

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