Look up permafrost in Wiktionary, the free dictionary.

Permafrost is permanently frozen ground found in periglacial zones.

Permafrost may also refer to:

• Permafrost (novella), a 2019 novella by Alastair Reynolds
• "Permafrost" (story), a 1987 Hugo Award winning novelette by Roger Zelazny
• Permafrost: Literary Journal, the student newspaper of the University of Alaska Fairbanks English department
• Permafrost (album), a 1993 dark ambient album by Thomas Köner
• "Permafrost", a track from the 1979 album Secondhand Daylight by UK-based post-punk band Magazine
• Permafrost, a character on the Static Shock television series
• Dr. Permafrost, a (nominal) villain of the comic series Tom Strong
• Permafrost, a zone in the fictional universe of EverQuest, a computer game

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