Dies Holocaustum is a death/thrash metal band from Bristol, England, founded as a solo project by Jon Alcover in 2013 and expanded to a full band in 2018 with the addition of drummer Will Pearson (ex-Body Harvest), bassist Rob Innell, and guitarist K-lum Schmit. They reached the grand final of Bristol's Metal 2 the Masses competition in 2019 and released their full-length debut in January 2020.

Dies Irae is a heavy/power metal band from Vantaa, Finland, formed in 2020. Named after the medieval hymn, they deliver powerful heavy and power metal.

Diesel King is a sludge metal band from London, active since 2010 and self-described as delivering a brutal blend of dirty sludge and down-tempo heavy metal. Their discography includes the albums Concrete Burial, The Grey Man, and The Ancient and the Nameless, each building on their ear-destroying low-end assault.

DieselOkkult is a stoner/sludge metal band from Radebeul, Germany, formed in 2016. They deliver fuzz-soaked, occult-tinged stoner and sludge metal from Saxony.

Dieselpest is a sludge/crust/doom metal band from Germany, formed in 2020. They combine the filth of sludge and crust with doom's crushing slowness.

Dieth is a death/thrash metal band formed in Gdańsk, Poland in 2022, comprising bassist David Ellefson (ex-Megadeth), vocalist/guitarist Guilherme Miranda (ex-Entombed A.D.), and drummer Michał Łysejko (ex-Decapitated). The project channels classic death-thrash influences with a contemporary heaviness, debuting with the single 'In the Hall of the Hanging Serpents' before releasing their first full-length, To Hell and Back, on Napalm Records in June 2023.

DieTone is a heavy/thrash metal band from Flensburg, Germany, formed in 2016. They deliver hard-hitting metal from Germany's northernmost city.

Dieversity is a melodic death metal and deathcore band from Arkhangelsk, Russia, formed in 2015. The project blends melodic death metal with deathcore from the Russian Arctic coast.

Diezektor is a symphonic black metal project from Huddersfield, England, formed in 2017, crafting what they call epic apocalyptic music that spans extreme metal and electronic remixes. Releases like the Sleeper Simulant EP and tracks such as The Nihilist and Ruination showcase their genre-blending approach to sinister heavy metal.