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.

Diphteria is a thrash metal band from Sion, Switzerland, incorporating death metal and grindcore elements into short, aggressive compositions with socially conscious lyrics. Their 2016 release 'The Human Exuberance' features five tracks addressing corporate control and environmental destruction through a dystopian lens.

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.

Direct is a Prague-based heavy/power metal band active since 2014, delivering straightforward, high-energy metal with the directness their name promises. Their compositions favor the classic European approach of twin-guitar harmonies, soaring vocals, and galloping rhythms.

Directional is a black, doom, and sludge metal band from Stockholm, Sweden, formed in 2021. The project blends extreme metal styles into crushing soundscapes.

Dirge Eternal is a heavy metal band from Riihimäki, Finland, emerging in 2025. They play enduring heavy metal dirges.

Dirieat is a black metal band from Olsztyn, Poland, formed in 2018. The project channels dark black metal from the Warmia-Masuria region.