Gallina Negra is a progressive thrash metal band from Tiszaujvaros, Hungary, active since 1999. Over a quarter century, they have delivered technically ambitious thrash metal from the industrial city in eastern Hungary.

Gallons of Mud is a stoner/sludge/doom metal band from Cologne, Germany, formed in 2011, driven by a self-described passion for Sabbath riffs, slow movements, and infectious grooves. Their 2018 full-length God Bless & Fuck You was recorded and mixed by bassist Steve Albino, delivering seven tracks of doomy, groove-laden stoner metal.

Gallow God is a doom metal band from London, active since 2010. They deliver the crushing, ponderous heaviness of traditional doom from the British capital, their name evoking execution and divine judgment.

Gallow Hill is a heavy metal and hard rock band from Falköping, Sweden, active since 2012 and forging classic riff-driven metal from the Västergötland plains. The project channels the timeless power of Swedish heavy rock.

Gallower is a black/thrash metal band from Tychy in Silesia, formed in 2015. They fuse black metal darkness with thrash velocity from the industrial south.

Gallowglass is a heavy metal band from Dublin, Ireland, formed in 2022 and named after the elite medieval Gaelic mercenary warriors. The project channels the fighting spirit of its namesake through classic heavy metal riffage.

Gallowhead is a three-piece heavy band from Feldkirch in westernmost Austria, dealing in rumbling sludge and post-metal built on distorted bass, grooved-out rhythms, and a mix of shouts and growls. They have released four records including the self-titled debut, Karōshi, and Comfort in Discomfort (2024), with album titles probing psychological weight and existential burnout.

Gallows beyond the Nightsky is an epic black/pagan metal act from Munster, Germany, formed in 2015, featuring a six-piece lineup with dual vocalists and keyboards. Their 2015 album A Sad Farewell combines epic and pagan metal themes with atmospheric black metal across five tracks.

Gallows Omen is a black/heavy metal and punk band from Skåne, Sweden, formed in 2023 and merging the darkness of black metal with heavy metal's power and punk's raw energy. The project delivers a volatile mix from southern Sweden.