DieBartDie is a death metal and deathcore project from Hereford, England, created by A.D. Marcovecchio, who also performs as Ascaris. The project layers brutal slam and beatdown riffs over samples from The Simpsons, a tongue-in-cheek approach showcased on the 2023 compilation I Can't Believe I Ate the Whole Thing.

Dieffenbachia is a doom and gothic metal band from Nisko, Poland, formed in 2013. The project weaves gothic atmospheres with doom metal's crushing weight.

Diego Sanjorge is a heavy metal artist from Ourense, Spain, active since 2017. They deliver classic heavy metal from the Galician interior.

Dieinfire is a doom/black metal band from Hered, Hungary, formed in 2021. The band merge the crushing slowness of doom metal with the darkness of black metal.

Dieleven is a groove metal band from Madrid, Spain, active since 2013. They play heavy, rhythmic groove metal from the Spanish capital.

Diementia is a five-piece melodic death/thrash metal band from Glasgow, Scotland, formed in 2009 and featuring members J. Hinde, R. Kerr, D. MacIvor, and R. Petch. Their releases Tears of Blood (2009) and the Forgotten Dead EP (2012) showcase a melodic yet aggressive take on the death-thrash formula.

Dienasty is a progressive/thrash metal band from Copenhagen, Denmark, formed in 2023. They push thrash into progressive territory with ambitious compositions.

Dieresis is a brutal death metal band from Besançon, France, active since 2013. They deliver brutal death metal from the Franche-Comté region.

Dies Ater is a Berlin-based black metal act whose Latin name — meaning "black day" — frames each composition as a liturgy of darkness. Active since 1996, they are among the longest-running acts in the German capital's black metal underground, with nearly three decades of bleak, atmospheric output.