Tarvas is a folk metal band from Jyväskylä, Finland, formed in 2018. They weave Finnish folk traditions into heavy metal from the lake district.

Vienna-based Taurisca is a female-fronted melodic death/folk metal project with strong pagan and medieval influences, drawing on the ancient Taurisci culture that once inhabited the eastern Alps. Their music blends Gothenburg-influenced melodic death guitar work with folk instrumentation and lyrical themes rooted in pre-Christian Central European mythology.

Teeth of the Fae is a multi-faceted project from London, formed in 2024, spanning black metal, dungeon synth, neofolk, and ambient. Their eclectic approach bridges the aggression of black metal with the medieval mysticism of dungeon synth and the contemplative beauty of neofolk.

Telperion from Clermont-Ferrand blend heavy metal with folk elements under a name drawn from Tolkien's Silmarillion — the silver Tree of Valinor — since 2015. A decade of Middle-earth-inspired compositions from the Auvergne has produced music as luminous and ancient as their elvish namesake.

Templario is a folk/heavy metal band from Castellón de la Plana, Spain, formed in 2021. They weave medieval and Iberian folk elements into traditional heavy metal, their name meaning "templar."

Terhenetär is a black/folk metal band from Mikkeli, Finland, formed in 2017. Named after a figure from Finnish mythology, they weave Kalevala-inspired folk elements into black metal.

Tevana3 is an experimental folk metal project from Helsinki, Finland, formed in 2024. They push folk metal's boundaries with experimental approaches.

Thanallian from Prague blend melodic gothic and folk metal within a richly imagined fictional world where nature, love, and cruelty intersect, with releases like "Between Worlds" and "The Last Arduans" building out their narrative universe. Founded in 2014, the band craft cinematic, story-driven compositions that bridge folk melodies with gothic metal darkness.

Thanateros is a gothic/folk metal band from Berlin, Germany, active since 2001. Their extensive catalog — from "The First Rite" through "Best Of 25 Years Thanateros" — has spanned a quarter-century of gothic and folk metal with dark, otherworldly themes.