Dor Perpetua plays doom/death metal from Abrantes in central Portugal, formed in 2025 and whose Portuguese name — "perpetual pain" — captures the endlessness of the suffering channeled through their crushing compositions. Their doom/death fusion maximizes both genres' capacity for sustained anguish.

Dorchadas is a raw and atmospheric black metal project from Scotland, formed in 2020 and self-described as "dark Scottish black metal," citing Ruadh's Sovereign as a primary inspiration. Prolific since their 2020 debut Sgail, the project has released numerous works including Uisge, Disciple of the Witness, and the 2025 EP A Twisted Blade Sheathed in Vertebrae.

Dordeduh plays atmospheric and progressive folk/black metal from Timisoara, formed in 2010 by former members of Negura Bunget and carrying forward that legendary band's vision of Transylvanian black metal infused with traditional Romanian folk elements. Their music weaves acoustic folk passages and ethnic instruments through expansive, spiritually charged black metal compositions that rank among Romania's most distinctive extreme metal output.

Dorian is a heavy metal band from Brunswick, Germany, formed in 2015. They deliver classic heavy metal with strong melodies and powerful riffs.

Dorian Sky is a progressive heavy metal band from Athens, Greece, formed in 2019. The band blend progressive compositions with classic heavy metal power.

Doriath is a progressive metal band from Prague, Czech Republic, formed in 2026. They craft intricate, ambitious compositions that push the boundaries of progressive metal.

Dork is a progressive death metal band from Belfort, France, formed in 2017. They deliver ambitious progressive death metal from eastern France.

Dormancy is a heavy metal band from Helsinki, Finland, formed in 2017. They awaken crushing heavy metal from the Finnish capital.

Dormant Carnivore plays slam/brutal death metal from Perm in the Urals, active since 2008 and channeling the hibernating predator of their name into ferocious, technically demanding compositions. Their sleeping-killer imagery suits music that lies in wait before delivering devastating bursts of brutality.