Gimli, Son of Gloin is a death metal/grindcore band from Southampton, formed in 2019. Named after Tolkien's dwarven warrior, they bring literary irreverence to their grinding death metal from the Hampshire coast.

Gimp Fist formed in Bishop Auckland, County Durham in 2005 and became one of the most respected modern bands in the British street-punk and Oi! scene. Built around Jonny Robson, Chris Wright, and Mike Robson, the trio writes fast, direct songs with big choruses, working-class themes, and a clear belief in punk as a communal form rather than a fashion pose. Their early releases established a sound rooted in Cock Sparrer, The Business, UK Subs, Rancid, and classic British punk, but the band's identity became its own through consistency and sheer volume of material. Albums such as Your Time Has Come, The Place Where I Belong, Marching On and On, Blood, Unification, Isolation, and Losing Streak are packed with singalong refrains, compact riffs, and lyrics about pride, work, friendship, anti-racism, scene loyalty, and getting through hard times. Gimp Fist's strength is reliability in the best sense: they do not chase trends, but keep sharpening a melodic street-punk formula that sounds built for crowded festival halls and small rooms alike.

Ginevra is a sludge/stoner metal band from Pisa, formed in 2014. They deliver heavy, fuzz-laden stoner sludge from the famous Tuscan tower city.

Ginger Brain Man is a solo extreme metal project from Caen, France, formed in 2011, blending death metal, grindcore, black metal, noise, and psychedelic rock into a dark, avant-garde hybrid. The eleven-track debut Terreurs Nocturnes delivers surreal, genre-defying extreme metal across forty-two minutes.

Ginnungagap is a black metal and ambient project from Portugal, active since 2017 and named after the primordial void of Norse mythology. The project channels cosmic emptiness through atmospheric black metal and ambient textures.

Ginsberg is a melodic death metal band from Dusseldorf, Germany, with roots stretching back to 1983, making them a remarkably long-running presence in the Rhine-Ruhr metal scene. The band channels the Gothenburg-influenced melodic death metal style through a German lens.

Giotopia is a symphonic progressive metal project from Beveren, Belgium, built around elaborate fantasy narratives told through music, with releases titled A Fantasy Tale on Music parts I and II, Trinity of Evil, and Egar's Return. The project has remastered earlier material in 2022-2023, refining a catalog of cinematic, story-driven metal.

Girders is a symphonic black/death metal project from Scotland, formed in 2017. They pair orchestral symphonic elements with the aggression of both black and death metal from north of the border.

Gire is an extreme avant-garde metal project from Mako in southeastern Hungary, active since 2007. They push metal into experimental and avant-garde territory from the small city near the Romanian border.