Traumagain is a brutal death metal band from Reggio di Calabria, formed in 2021. Their name promises repeated suffering, delivered through the relentless brutality of death metal from Italy's toe.

Traumata is a melodic death/folk metal band from Merzig, Germany, formed in 2023. They weave folk elements into melodic death metal from the Saarland region.

Traumatic Voyage is an avant-garde/progressive death/black metal band from Munich, Germany, active since 1992. With over three decades of boundary-pushing extreme metal, they are among the most veteran avant-garde acts in the German scene.

Traumatized is a death metal band from Carlow, Ireland, formed in 2025. They deliver aggressive, visceral death metal from the Irish underground.

Travma is a death/thrash metal band from Manfredonia in the province of Foggia, active since 2013. Their Russian/Turkish-influenced spelling of 'trauma' adds international flair to their death/thrash from the Gargano Peninsula.

Treacherous from Lyon deliver symphonic black and death metal with the betrayal and deception their name demands since 2013. Over a decade of treasonous compositions from France's second city has combined orchestral grandeur with extreme metal aggression.

Treblinka formed near Stockholm, Sweden in 1987 as the founding vehicle for Johan Edlund, playing raw black/death metal under pseudonyms and releasing the single "Severe Abomination" in 1989. The band recorded material for an album during this period before Edlund renamed the project Tiamat in advance of their debut Sumerian Cry (1990), which incorporated reworked Treblinka compositions. As a historical entity, Treblinka represents the earliest phase of what would become one of Scandinavia's most stylistically adventurous metal bands, operating in the primitive intersection of black and death metal that defined the underground at the close of the 1980s.

Treedion is a progressive death/thrash metal band from Dresden, Germany, formed in 2012. They combine progressive complexity with death and thrash metal's aggression.

Tregorgones from the medieval Breton town of Tréguier deliver death metal named after the gorgons of Greek mythology, filtered through a Breton linguistic lens since 2021. Their fusion of Classical mythology with Breton identity creates a unique cultural hybrid.