Furuvgerendufuroval is a black/sludge metal project from Uzhhorod in the far western Transcarpathian region of Ukraine, formed in 2021. Their deliberately unpronounceable name and border-region origins — Uzhhorod sits at the junction of Ukraine, Slovakia, and Hungary — signal the unconventional character of their genre-blending extreme metal.

Furva Ambiguitas is a black/funeral doom metal project from Voronezh in southern Russia, formed in 2013. Their Latin name — meaning 'dark ambiguity' — captures the opaque, suffocating character of their funeral doom mixed with black metal from the Central Black Earth region.

Furze is an experimental black metal and black/doom project from Trondheim, Norway, active since 1998. Over more than twenty-five years, the project has carved out a singular niche in the Norwegian underground, pushing black metal into experimental and psychedelic territory far from the genre's orthodox center.

Fustilarian is a black metal project from Lisbon, Portugal, formed in 2021. Their Shakespearean insult of a name — meaning a fat, worthless person — brings a literary edge to their Lisbon-based black metal.

Fvndamental is an experimental black/doom metal project from Moscow, Russia, formed in 2017. They push the boundaries of black and doom metal into experimental territory, creating unconventional extreme music from the Russian capital.

Fvnestö is a black/doom metal band from Valencia, Spain, formed in 2018. The band merges the darkness of black metal with doom metal's crushing weight from the Spanish Mediterranean coast.

Fyr is a post-black metal project from Stockholm, Sweden, formed in 2014. Their name — Swedish for 'fire' — contrasts with the atmospheric, contemplative side of their post-black metal from the Swedish capital.

Fyrdsman is a solo atmospheric black metal project from Farnborough by Tim Shaw, blending romanticism, history, and English folklore into black metal rooted in its homeland since 2010. Their 2026 album The Free Man explores post-1066 Norman England from a rebel's perspective, praised by Zero Tolerance and Kerrang! in a limited pressing of 200 hand-numbered digipak CDs.

Fyrgast is a black metal project from Svartsinge near Norrkoping in eastern Sweden, active since 2010. Their name and Ostergotland setting root their black metal in the rural Swedish landscape.