Funestum is a funeral doom metal project from Kyiv, Ukraine, active since 2013. They deliver the glacial heaviness of funeral doom from the Ukrainian capital, their Latin name — meaning 'deadly' — capturing the genre's suffocating finality.

Fungi Death Ritual is a black/doom/thrash metal project from Moscow, Russia, formed in 2016. Their mycological name and genre-blending approach create a uniquely fungal strain of extreme metal, merging three subgenres into something organic and strange.

Fuoco Fatuo is a funeral doom/death metal band from Varese, Italy, formed in 2014 and translating to 'will-o'-the-wisp' in Italian. Their releases — The Viper Slithers in the Ashes of What Remains (2014), Backwater (2017), and the critically acclaimed Obsidian Katabasis (2021) — deliver dense, swirling, cosmically dark funeral doom influenced by Disembowelment and Esoteric.

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.

Fuzz Thrower is a doom/stoner metal band from Kampen in the Netherlands, formed in 2025. Their name captures their approach in two words — massive, fuzz-drenched riffs hurled with deliberate force from the Overijssel province.

Fuzzcult is a doom metal band from Edinburgh, Scotland, emerging in 2025 with fuzz-laden, heavy doom from Scotland's capital. The project channels the low-end rumble of doom metal through thick, distorted tones.

Fuzzgod is a doom/stoner metal band from Varberg on the Swedish west coast, formed in 2013. They deliver massive, fuzz-drenched doom and stoner metal from the Halland coast between Gothenburg and Malmo.

Fuzztronaut is a stoner/doom metal band from Budapest, Hungary, active since 2021, whose name evokes psychedelic space voyages through heavy, fuzzed-out riffs. The project blends stoner metal's groove with doom metal's weight.