Treasure Hunt is a heavy/thrash metal/rock band from Neuss, Germany. They play riff-driven heavy metal and thrash with rock accessibility.

Trebuchet is an epic black/heavy metal band from Odense, Denmark, formed in 2012. Named after the medieval siege weapon, they deliver epic, grandiose metal.

Trendkiller from the tiny Hunsrück village of Hunzel play heavy metal that rebels against musical fashion, delivering uncompromising traditional metal since 2012. Their anti-trend name reflects a stubborn commitment to classic metal values from the rural Rhineland-Palatinate highlands.

Trial formed in 2007 in Trollhättan, Sweden, playing traditional heavy metal rooted in the NWOBHM and classic European metal of the 1980s. The quintet built a following through a series of increasingly refined studio albums — The Primordial Temple (2011), Vessel (2015), Motherless (2017), and Feed the Fire (2022) — before signing with Metal Blade Records. Their sound emphasizes melodic riffing, clean vocals, and songwriting discipline that sets them apart from the retro-metal revival acts of the same era.

Triangle Theory is a sludge/heavy metal/hard rock band from Perth, Scotland, active since 2017. Their music blends the crushing weight of sludge with classic heavy metal and hard rock sensibilities from the Fair City.

Triarchy is a NWOBHM/heavy metal band from Gravesend, Kent, formed in 2022. Their music channels the raw energy and twin-guitar attack of the New Wave of British Heavy Metal from the Thames Estuary.

Tributo al Cielo is a heavy metal band from Quintanar del Rey, Spain, active since 2010. Their name meaning "tribute to heaven," they play spiritual heavy metal.

Trinchera is a heavy metal band from Ribadesella, Spain, formed in 2022. Their name meaning "trench," they play battle-hardened heavy metal from the Asturian coast.

Trinity from Thun, Switzerland have been crafting progressive heavy metal since 2010, weaving intricate arrangements and dynamic songwriting into a foundation of classic metal power. Their compositions balance technical ambition with melodic sensibility, reflecting the tradition of European prog-metal craftsmanship.