Ragnarök is a series of events in Norse mythology resulting in the fiery destruction and fertile rebirth of the world.

Ragnarok can also refer to:

Arts and entertainment Anime, manga, and light novels Ragnarok (manhwa), a series upon which the MMORPG, Ragnarok Online, is based Ragnarok the Animation, an anime series based upon the MMORPG, Ragnarok Online Sword of the Dark Ones, known as Ragnarok in Japan, a manga series based on a series of Japanese fantasy novels Record of Ragnarok, a Japanese manga series

Books and short stories "Ragnarok", a short story written by Argentine writer Jorge Luis Borges Ragnarok: The Age of Fire and Gravel, a book by Ignatius L. Donnelly Ragnarok: The End of the Gods, novel by A. S. Byatt Voyager: Ragnarok, a Star Trek: Voyager novel by Nathan Archer

Film and television , or simply Ragnarok, a 2013 Norwegian film about the legendary story of Ragnarok John Hodgman: Ragnarok, a 2013 American comedy special starring John Hodgman Thor: Ragnarok, a 2017 American film featuring the Marvel Comics superhero Thor Ragnarok (TV series), a Netflix series first released in 2020

Games Ragnarok (video game), a rogue-like video game Ragnarok (board game), a fantasy wargame published by SPI in a 1981 issue (#8) of Ares Ragnarok Online, a MMORPG Ragnarok Online 2: Legend of the Second, a MMORPG, sequel to Ragnarok Online Rag'Narok, a large-scale tabletop wargame based on the skirmish game Confrontation Fate of the Norns: Ragnarok, a table-top RPG set during the Viking Age God of War Ragnarök, an action-adventure video game in the God of War series

Music Ragnarok (Norwegian band), a black metal band from Norway Ragnarök (Swedish band), a progressive rock band, also their self-titled first album Ragnarök (Gwar album), an album by the band Gwar Ragnarok (Týr album), a concept album by the band Týr Runaljod – Ragnarok, an album by the band Wardruna "Ragnarok", a song from the Leaves' Eyes album Njord "Ragnarok", a song from the Periphery album Periphery II: This Time It's Personal "Ragnarok", a song from the Worm Shepherd album In the Wake ov Sòl Ragnarock, a record label in Sweden

Fictional characters and elements Ragnarök (comics), a clone of Thor in the Marvel Comics continuity Ragnarok (Soul Eater character), a fictional character in the manga and anime series Soul Eater Ragnarök, a creator-owned depiction of Thor by Walt Simonson Project Ragna Rok, a Nazi plan to win World War II in the Hellboy comics

Events Ragnarok (gaming event), an annual week-long gaming event held by the Dagorhir Battle Games Association Ragnarök Festival, a pagan metal festival in Germany

Other uses Ragnarök, the HTML parser in newer versions of the Opera web browser Ragnarok, a professional wrestling maneuver used by the Ragnarok, a satellite cannon in the video game Mega Man Zero 4