D.A.D. is a Czech metal band from Polna, formed in 2015 and fusing doom metal's crushing weight with gothic metal atmosphere and metalcore's rhythmic intensity. Their genre-blending approach creates a dark, emotionally charged sonic palette.

Dagger of Betrayal is a five-piece melodic death metal and metalcore band from Thessaloniki, Greece, formed in 2013, featuring guitarists Aggelos Tzamtzis and Antonis Kakaris, drummer Konstantinos Noulas, bassist Konstantinos Grousouzakos, and vocalist Antonis Dimitriou. Their debut album Paradox Hive (2013) was mixed and mastered by Stelios Koslidis.

Damientorn plays metalcore from Moscow, arriving in 2026 as one of the newest entries in the Russian metalcore scene. Their ominous name — evoking the Damien of horror cinema — adds a sinister edge to their heavy, breakdown-driven sound.

Damned Slaves is a groove metal and metalcore act from Santa Cruz de Tenerife in the Canary Islands, bringing heavy, rhythm-driven aggression from Spain's Atlantic volcanic archipelago. Active since 2016, they represent the extreme metal scene thriving far from the European mainland.

Darger plays groove metal and metalcore from Omsk in western Siberia, formed in 2024 and bringing heavy, rhythmic aggression from one of Russia's largest cities. Their modern approach to groove-inflected metalcore channels Siberian intensity into tight, breakdown-heavy compositions.

Dark Day Dungeon is a melodic death/thrash metal and metalcore act from Baar in the canton of Zug, active since 1999 and blending Scandinavian-style melodeath with modern metalcore sensibilities. Their quarter-century of output marks them as veterans of the Swiss extreme metal scene.

Dark Rage is a groove metal/metalcore band from Bad Hersfeld, Germany, active since 2013. They combine crushing groove metal riffs with metalcore's intensity and modern aggression.

Dark Revenge started as a melodic death metal act in the Siberian university city of Tomsk before evolving toward progressive metal and metalcore. Active since 2011, their stylistic journey traces an arc from Scandinavian melodeath influence toward more complex, contemporary territory.

Dark Tennis is a three-piece extreme metal outfit from Bergamo that defies easy categorization, smashing together elements of black metal, grindcore, and metalcore into an unpredictable hybrid. Their releases Wimbledoom and Digital Posture suggest a tongue-in-cheek sensibility underpinning genuinely ferocious music.