Forefathers Blood is a symphonic black metal band from Brandenburg, Germany. The band layers orchestral arrangements over aggressive black metal from the northeastern German state.

Foreign Legion was a black/speed/heavy metal band from Bad Hofgastein, Salzburg, active from 1988 to 1991. A short-lived act from the late-1980s Austrian metal underground, the band worked in the fast, riff-driven crossover territory between traditional heavy metal and early black and speed metal.

Forest is a black metal band from Prague, Czech Republic, formed in 2011. The band channels raw black metal atmosphere from the heart of Bohemia.

Forest Cult is a depressive black metal project from Lohja, Finland, formed in 2014. The project channels anguish and isolation through bleak DSBM from the southwestern Finnish town.

Forest of Castles is a Scottish black metal project recorded by Domhnach and Ruadh during a snowstorm in a small hut on the west coast of Scotland in early 2005, with everything captured in a single sitting and no second takes. The master tapes were rediscovered in 2022 and mixed for digital release in 2023, preserving eight tracks of raw, primitive black metal.

Forest of Fog is a black metal project from Winterthur, Switzerland, founded in 2003 by Ivo Henzi, former guitarist and songwriter of Eluveitie. The project's catalog spans from the 2003 demo "Rabenflug" through "Nebelhymnen" (2005), "Abgründe" (2006), and the 2024 comeback album "Awake" — the first new Forest of Fog material in a decade.

Forest of Frost is an atmospheric black metal band from Angoulême, France, formed in 2020. The band channels frozen, nature-inspired atmospheres through their black metal from the Charente capital.

Forest of Ghosts is a black metal project from the depths of southwest England, blending black and doom metal into dark, atmospheric compositions since 2023. Their debut Gathering of Souls was released on limited-edition colored cassettes.

Forest of Harambe is a raw black metal project from Hordaland in western Norway, formed in 2016. Their name memorializes the Cincinnati Zoo gorilla in a darkly irreverent collision of internet culture and raw black metal nihilism.