Firmamentum is an ambient/raw black metal project from Italy, active since 2014. Their debut Infinity Of The Forest was originally recorded on a small tape recorder — the band insists it is best heard in cassette format — blending raw black metal with dark ambient in a deliberately lo-fi, analog-first aesthetic.

Fjellvind is a raw black metal project from Burgas, Bulgaria, active since 2014. Their releases include "Vinterens Ondskap," "Skies Unfold," and "Wrath of a Titan," drawing on Scandinavian-influenced aesthetics filtered through a Bulgarian underground sensibility.

Fleckentarn is a raw black metal/punk project from Paris, France, formed in 2023. Named after the German camouflage pattern, the project merges raw black metal with punk energy.

Flúch is a raw black metal and ambient project from Belgium, formed in 2024. Their releases include "Wintr," "Abgrund," and a split with Woid, weaving together abrasive black metal with bleak atmospheric passages.

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.

Forest of Trys is a raw black metal, grindcore, and noise project from Kaunas, Lithuania, active since 2016. Their hybrid approach collapses the boundaries between black metal rawness, grindcore violence, and noise experimentation in the Lithuanian underground.

Forgotten Shrines is a raw black metal and dungeon synth project from Linz, Upper Austria. Their debut demo "Remembrance," released as a limited cassette of 100 copies on the Födweg label in November 2020, draws on the pioneering spirit of early black metal through shattered, blurring production and primitive, ritualistic soundscapes.

Forsaken Sacrement is a raw black metal project from England, emerging in 2024 with an uncompromising approach to the genre. The project channels raw, lo-fi black metal from the British underground.

Forsaken Sanctum is a raw black metal project from Sokobanja in southeastern Serbia, formed in 2024. They channel uncompromising black metal from the spa town nestled in the mountains of eastern Serbia.