Lords of Chaos is a 2018 biographical horror film directed and co-written by Jonas Åkerlund. Adapted from the 1998 book of the same name, the film is a historical fiction account of the early 1990s Norwegian black metal scene told from the perspective of Mayhem co-founder Euronymous. It stars Rory Culkin as Euronymous, Emory Cohen as Varg Vikernes, Jack Kilmer as Dead, and Sky Ferreira as Ann-Marit.

The film premiered at the Sundance Film Festival on 23 January 2018. It was released in the United States on 8 February 2019 by Gunpowder & Sky, in the United Kingdom on 29 March 2019 by Arrow Films and in Sweden on 5 April 2019 by Nordisk Film. It received positive reviews from critics, but was met with polarizing reception from audiences within the metal community.