Defluxit is a solo black metal project from Sofia, Bulgaria, created by Dobromir Angelov, who also plays in Certain Demise and Self Doomed. The project fuses atmospheric black metal with death and doom influences across short, densely layered compositions.

Defod is an atmospheric black metal band from North Wales, formed in 2021. They channel the dark landscapes of Wales through atmospheric black metal.

Deform is a black metal band from Denmark, formed in 2020. They channel cold Nordic darkness through raw black metal.

Deforment is a black/death/thrash metal band from Santa Lucía de Tirajana, Gran Canaria, Spain, formed in 2020. They deliver a triple assault of black, death, and thrash metal from the Canary Islands.

Deformis Bastardis plays black metal from Saint Petersburg, active since 2021 and whose pseudo-Latin name — suggesting deformed bastards — channels outsider identity into aggressive compositions. Their self-deprecating name carries defiance rather than shame.

Defunctis is a black, death, and doom metal band from Rome, Italy, formed in 2024. The project merges three pillars of extreme metal darkness into a crushing and atmospheric Roman metal experience.

Defunctus Astrum is a Belarusian black metal project from Minsk, active since 2014 and whose Latin name — meaning "dead star" — evokes cosmic nihilism. Their music channels the vast emptiness implied by their name into atmospheric, space-obsessed black metal.

Defying is a black, post-metal, and progressive metal band from Olsztyn, Poland, formed in 2014. The project blends black metal's darkness with post-metal atmospheres and progressive complexity.

Degredo plays black metal from Portugal, active since 2018 and whose Portuguese name — meaning "exile" or "banishment" — captures the isolation and alienation at the heart of their atmospheric compositions. Their thematic focus on exile gives their black metal a distinctly melancholic, wandering character.