Diononesiste is a death metal band from Turin, Italy, formed in 2005. The project's provocative Italian name, meaning 'God does not exist,' underscores its anti-religious death metal stance from the Piedmontese underground.

Dionysius is a melodic death and doom metal band from Dublin, Ireland, formed in 2011. The band merge the melodic aggression of death metal with the crushing weight of doom.

Dios is a death metal band from Barcelona, Spain, active since 2009. Their name meaning 'god,' they play crushing death metal from the Catalan capital.

Dioxine is a death/thrash metal band from Le Mans, France, formed in 2015. They deliver toxic death/thrash from western France.

Diphosgene is a black/death metal and grindcore band from the Black Country region of England, formed in 2025 with a thematic focus on World War I chemical warfare. Their releases include a demo and the Diphosgene Attack EP, drawing lyrical inspiration from the historical deployment of their namesake poison gas.

Dire End is a death metal/deathcore band from Bilbao, Spain, emerging in 2025. They bring fresh extremity to the Basque metal scene.

Dire Insanity is a metalcore and melodic death metal band from Kingston upon Thames, formed in 2013 and built around producer Kiran Weerasekera's compositions with vocalist Ben Davie and a multi-guitar lineup. The six-piece earned support slots with acts like Breed 77 and drew comparisons to In Flames and Dream Theater for their intricate, melodic approach.

Dire Necro Cerberus is a technical death metal project from Milan, Italy, formed in 2015. Uniquely blending extreme metal with classical music reinterpretation, the project features covers of Bach and Paganini alongside original compositions that bridge high art and death metal.

Dirty Dancing Pigs is a brutal death metal and grindcore band from Krasnoyarsk, Russia, formed in 2018. The project delivers savage grinding death metal from central Siberia.