Tuska from Karjaa craft black metal under the Finnish word for 'agony' or 'anguish,' sharing their name with Finland's largest metal festival since 2020. Their compositions channel concentrated suffering through raw extremity from the bilingual southwestern coast.

Twice the Trauma is a blackened death/grindcore band from Darlington, England, formed in 2011. They unleash a chaotic blend of black metal, brutal death metal, and grindcore with relentless extremity.

Twilight Moon from Pietarsaari have been crafting black metal under the banner of the waning light since 2000, making them one of Ostrobothnia's longest-running extreme metal acts. Over a quarter century from this Swedish-speaking Finnish coastal town, they have maintained a commitment to atmospheric black metal.

Twilight of the Gods coalesced in 2010 as a Bathory tribute project before evolving into an original band, taking their name from the sixth Bathory album. The lineup assembled a collection of veterans drawn from Einherjer, Mayhem, Aura Noir, Thyrfing, and Primordial — the latter's Alan Averill serving as vocalist. Their debut Fire on the Mountain (2013) presented original material steeped in Bathory's epic Viking and heavy metal heritage rather than straightforward black metal.

Twin Obscenity formed in Stavanger, Norway in 1991 and 1992, playing a style that blended black and death metal with Viking-era atmospheric elements. Their debut Where Light Touches None (1997) was released on Head Not Found, followed by For Blood, Honor and Soil on Century Media Records after the band signed to the label in 1998. The band released three full-length albums before disbanding.

Two More Opioids is a depressive black metal project from Manchester, England, formed in 2024. The act channels bleak, harrowing atmospheres through raw depressive black metal.

Two Ravens is a black metal band from Bristol, England, formed in 2022. They deliver fierce, atmospheric black metal drawing on dark mythological themes.

Tyakrah from Münster craft black metal with an esoteric, non-Western mysticism suggested by their unusual name since 2017. Their compositions channel otherworldly atmosphere through tremolo-driven extremity from the Westphalian capital.

Tyhjiön Etsijä is a black metal project from England, formed in 2023. The Finnish-named act creates cold, atmospheric black metal with a bleak and otherworldly character.