Abaddon is a Biblical Hebrew word for "a place of destruction" and an archangel.

Abaddon or Abadon may also refer to:

In arts and entertainment Characters Abaddon (Supernatural), a powerful demon in the TV series Supernatural Matthew Abaddon, in the TV series Lost Abaddon, a Titan in the 2019 film Godzilla: King of the Monsters Abaddon, a demon in the TV series Haunted Hotel Abaddon, a junk dealer from "Alice" (Star Trek: Voyager)

Music Abaddon (Italian band) Abaddon (Polish band) Anthony "Abaddon" Bray, former drummer of the band Venom Abaddon (album), 2014, by Southern rapper Boondox

Other Abadon (novel), an 1893 work by Slovenian author Janez Mencinger Abaddón el exterminador ("Abbadon the Exterminator"), a 1974 novel by Ernesto Sabato Abaddon, a 1993 novel by American evangelist Bob Larson "Abaddon" (The Outer Limits), a season 6 episode of the second incarnation of The Outer Limits Abaddon (typeface), designed by Dave Nalle Abaddon Books, an imprint of Rebellion Developments "Abaddon", the pseudonym used by cartoonist Tom Parkinson-Morgan for Kill Six Billion Demons Abaddon Industries, Amy Jellicoe's employer in the HBO show Enlightened Abadon (wrestler), American professional wrestler CH-AA-10 Abaddon, NATO reporting name of the PL-15 air-to-air missile

Other uses Abaddon despoliator, sole species of the genus Abaddon