The Sluagh is a symphonic progressive death metal band from Dublin, Ireland, formed in 2021. Named after the restless dead of Irish mythology, they blend death metal with symphonic orchestration and progressive complexity.

The Unforclosure is a symphonic groove/power metal band from Sicily, Italy, formed in 2016. They blend symphonic orchestrations with groove-driven power metal from the Mediterranean island.

Theomania is a melodic death/power/symphonic metal band from Kemi, Finland, active since 1983. With over four decades of activity, they are among the oldest metal acts in the Finnish Arctic Circle region.

Theopsya from Toulouse weave symphonic power metal with gothic metal elements, creating a visionary sound whose name suggests divine psychic perception since 2019. Their compositions layer orchestral grandeur over powerful metal foundations from the Pink City of southwestern France.

Thevon is a solo symphonic metal project created by Thomas Van Beeck in Belgium, blending symphonic, progressive, and melodic metal across his self-released material. The 2020 EP The Monster's House — a four-track release spanning roughly 18 minutes — offers an accessible entry point into Van Beeck's melodically driven, orchestrated approach to heavy music.

Three Nails is a symphonic black/death metal band from Ravanusa in the province of Agrigento, Sicily, active since 2017. Their crucifixion-referencing name channels blasphemous fury through orchestral black and death metal from rural Sicily.

Thulnar is a symphonic black metal band from Bologna, active since 2015. Their fantastical name suits the orchestral grandeur they layer over aggressive black metal from the Emilian capital.

Thundercross is a symphonic power metal band from Trieste, formed in 2020. Their music combines orchestral grandeur with the triumphant energy of power metal from the Italian-Slovenian border city.

Thy Majestie is a symphonic power metal band from Palermo, active since 2022. Their regal name matches the grandiose orchestral arrangements and epic scope of their power metal from the Sicilian capital.