Gargan is a blackened death metal band from Corato in the Bari province of Puglia, formed in 2016. They deliver aggressive blackened death metal from the olive-growing heartland of southern Italy.

Garganjua is a doom/post-metal band from Leicester, formed in 2014. They craft expansive, dynamically charged post-metal and doom from the East Midlands city.

Gargantua is a death metal and progressive metal band from Paris, France, formed in 2016, combining technical prowess with extreme metal aggression. Named after Rabelais' literary giant, their sound reflects an ambitious French approach to progressive death metal.

Gargantuan Blade is a traditional doom metal band from Lappeenranta, Finland, formed in 2022 by Samuel Wormius, Nikolem Kolemaios, William Warden, and Rex Torr, delivering old-school, straight-up doom with fantasy-themed imagery. Their self-titled debut features four tracks of massive, deliberate riffing evoking dungeon-crawling adventure, including the nearly thirteen-minute Spectral Pillagers.

Gargantura is a groove metal and progressive metal band from Cergy near Paris, France, formed in 2014, blending rhythmic, headbanging grooves with progressive complexity and dynamic arrangements. Their sound merges the punch of groove metal with the ambition and intricacy of progressive composition.

Gargantyr is a black metal project from Poland, active since 2000. A quarter century of black metal places them among the most enduring acts in the Polish underground.

Gargara is a black metal project from Debrecen, Hungary, formed in 2018. They channel black metal from Hungary's second-largest city on the Great Hungarian Plain.

Gargleguts is a slam/brutal death metal/goregrind project from the United Kingdom, formed in 2023. Their deliberately grotesque name signals the visceral extremity of their slam and goregrind approach.

Gargoili is a black metal project from Finland, formed in 2019, channeling the frigid intensity and atmospheric darkness of the Finnish black metal tradition. Their sound embraces raw production and bleak aesthetics characteristic of the Nordic underground.