Demande à la Poussière is a blackened sludge/post-metal band from Paris, France, formed in 2018. Their name meaning 'ask the dust,' they create heavy, blackened soundscapes.

Demontain is a post-metal and sludge metal band from Vicenza, Italy, originally formed in 2007 under the name The Angriest Dog in the World. The four-piece blends metal, doom, and hardcore into a unique and confrontational sound, recorded at Lost In Space Studio.

Dendrophilia is a post-metal and sludge metal band from Portalbera, in the Pavia province of Lombardy, Italy, formed in 2014. Their album 'Soak Up the Sun' blends alternative noise, sludge, and stoner elements into an eclectic and crushing sonic brew.

Der Mancha Red plays doom/post-metal from Eindhoven, formed in 2023 and whose name references both Cervantes' idealist knight and the color of blood. Their sound builds slowly from contemplative passages to crushing post-metal crescendos.

Destrudo started as a progressive death metal project in Rome before shifting toward the more atmospheric expanses of post-metal. Named after the Freudian concept of the death drive, their music traces an arc from cerebral aggression toward contemplative, cinematic heaviness.

From Liège and active between 2012 and 2016, Deuil were a four-piece sludge, drone, doom, and black metal band whose name is the French word for mourning — a title chosen to capture the emotional weight of grief and loss. Released on Consouling Sounds, their 2015 EP Shock/Deny followed the 2013 record Acceptance/Rebuild, and both releases blended blackened extremity with crushing sludge density.

Diatomorph is a doom and post-metal band from Belgrade, Serbia, formed in 2025. The project crafts atmospheric post-metal landscapes with doom metal weight.

Diluvienne is a post-metal band from Rennes, France, formed in 2023. They deliver diluvian post-metal floods from Brittany.

Dimscûa is a post-metal and atmospheric sludge band from Berkshire, England, whose name is roughly pronounced like "dim skewer." Their release Dust Eater showcases dense, layered post-metal textures drawn from the heavier end of the atmospheric sludge spectrum.