Garum is a folk metal band from Pescara on the Adriatic coast of Abruzzo, formed in 2020. Named after the fermented fish sauce of ancient Rome, they channel Italian antiquity through folk metal.

Gastljus is a folk/black/death metal band from Skåne, Sweden, active since 2011 and weaving Scandinavian folk traditions into extreme metal from southern Sweden. The project merges ancient folk with aggressive black and death metal.

Gates of Eden is a progressive/folk metal band from Menfi in the Agrigento province of Sicily, formed in 2023. They blend progressive complexity with folk elements from the island's southern coast.

Gavranar is a Bosnian folk metal project created in 2011 by Armin Odobašić from Hadžići, blending thrash metal with Balkan folk instruments and traditions drawn from sevdalinka, kolo, medieval, Celtic, and renaissance music sources, including recorder, accordion, and bagpipes. Their 2013 five-track demo EP Where the Winds Are Clawed explores the relationship between humanity, nature, and the eternal conflict between good and evil.

Geasa is a Celtic folk/black metal project from Dublin, Ireland, formed in 2024 and weaving Irish folk traditions and Celtic mythology into atmospheric black metal. The project's name derives from the sacred bonds and taboos of Irish mythology.

Geomyth is an epic power and folk metal project from Cork, Ireland, formed in 2024 and blending the soaring melodies of power metal with folk instrumentation and mythological themes. The project explores Irish and wider mythological narratives through epic metal.

Gernotshagen is a pagan black/folk metal band from Trusetal, Germany, active since 2002, whose self-described "blackened nature metal" blends spherical keyboards, melodic guitars, and vocals ranging from clean to throat singing. Their 2024 album Mein Trusetal marks twenty-five years of the band, following earlier releases like Wintermythen (2002) and Ode Naturae (2020).

Giastemma is a death/folk metal band from Genoa, active since 2012. Their Genoese dialect name roots their folk-tinged death metal in the Ligurian cultural tradition.

GjeldRune is a folk metal band from Dubna, Russia, active since 2015 and weaving Slavic folk traditions into heavy metal frameworks from this scientific city north of Moscow. The project merges ancient Russian heritage with modern metal.