Grrrmba is a blackened doom/sludge metal band from Budapest, Hungary, formed in 2016 by members of Jack, Long Pig, My First Knife, and other Hungarian bands. Their releases include Imminent, Coalescence, Embodiment, and a split with Boru.

Grudzień is a Polish black metal project formed in 2025, whose name means "December" in Polish, channeling the cold and darkness of the year's final month through raw black metal. The project emerges from the newest wave of Polish black metal.

Grunleggender is an atmospheric black metal project from High Peak in Derbyshire, formed in 2023. Their Norwegian-derived name and Peak District setting inform atmospheric black metal drawn from the moorland landscapes of northern England.

Gruntlos is a black metal project from Hamburg, Germany, formed in 2022, whose name roughly translates to "without reason" in German. The project channels nihilistic black metal from the Hanseatic port city.

Grusig is a black metal project from Bern, Switzerland, formed in 2019 by members of Chotza, blending black metal with Swiss German dialect lyrics and regional folk traditions they call "black n blues" and "black n roll." Their 2019 debut Dr Ahfang vor Misaara was released through Northern Fog Records Germany and guides listeners through atmospheric sound fields rooted in local history.

Grusterror is a black metal, crust, and grindcore hybrid from Marseille, France, fusing the raw aggression of crust punk with black metal's darkness and grindcore's velocity. Their releases include Desolation and Medieval Torture for Traders.

Gruzja is a black metal and experimental project from Poland, active since 2019 and pushing black metal into unconventional territory. The project's name, meaning "Georgia" in Polish, hints at a conceptual depth beyond standard genre fare.

Grvm Kvlt is a black metal project from Dresden, Germany, formed in 2024, whose intentionally misspelled name references the genre's cult aesthetics. The project channels raw black metal from the Saxon capital.

Gryla is a black metal project from Norway, formed in 2014. Named after the Icelandic Christmas ogress, they channel Nordic folklore through black metal.