Decryptor is a death/thrash metal band from Fethard, Ireland, formed in 2021. The band deliver aggressive death-thrash from the Irish underground metal scene.

Decubitus is a death metal band from Thalheim, Germany, formed in 2015. They play crushing death metal with the patient menace their name suggests.

Ded Metal plays death metal from Dmitrov in Moscow Oblast, formed in 2023 and whose Russian-English hybrid name — "ded" meaning grandfather in Russian — adds a sardonic generational twist to classic death metal. Their name suggests death metal as a grandfather's music, played with tongue firmly in cheek.

Dedth plays brutal death metal and grindcore from Moscow, active since 2016 and whose deliberately misspelled name strips even the word "death" of its proper form. Their lo-fi, aggressive approach matches the chaotic energy of their mangled spelling.

Deduction of a Miscalculation is a death metal band from Denmark, active since 2014. They deliver crushing death metal with mathematical precision.

Deem Index plays melodic death metal from Arnhem in Gelderland, active since 2014 and cataloging aggression through the Gothenburg-influenced template of harmonized guitars and harsh vocals. Their clinical, indexing name suggests a systematic approach to melodic extremity.

Deep Coma plays thrash/death metal from Ponta Delgada in the Azores, active since 2010 and delivering extreme metal from the middle of the Atlantic Ocean. Their comatose name contrasts with the high-energy aggression of their thrash/death hybrid, created in one of Europe's most isolated settings.

Deep Forest is a death and doom metal band from Gavle, Sweden, formed in 2012. The project merges death metal with doom metal's weight.

Deep Vein is a death metal band from Poitiers, France, formed in 2024. They deliver deep, pulsing death metal from western France.