Deformachine is a death and thrash metal band from Alessandria, Italy, formed in 2020. The project combines the brutality of death metal with thrash metal's velocity in a devastating Italian extreme metal assault.

Deformation Guaranteed is a death, doom, and gothic metal band originally from Remich, Luxembourg, later based in Merzig, formed in 2020. The project blends death and doom metal's heaviness with gothic atmospheres from the Luxembourg-Germany border region.

Deformed is a death metal band from Schlüchtern, Germany, formed in 2019. They play twisted, brutal death metal with a focus on sonic extremity.

Deformed Cadaver is a brutal death metal/goregrind band from Landshut, Germany, emerging in 2025. They push the boundaries of extreme music with ultra-heavy brutality and goregrind's visceral excess.

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.

Deformeth is a death metal/crust punk band from Galicia, Spain, formed in 2024. They fuse death metal's heaviness with crust punk's raw, dirty energy.

A death metal band from Houthulst in the H8000 region of West Flanders, Deformity formed in 1995 and played all-out death metal without boundaries, drawing on the same geographical hardcore-meets-metal crucible that produced Congress and Liar. Their discography includes the albums Murder Within Sin (1999) and Superior (2002), and the band was active from 1995 to 2003 with a brief return in 2012.

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.

Defus is a death metal band from Stargard, Poland, formed in 2018. The project channels aggressive death metal from the West Pomeranian underground.