Double Homicide plays death metal from Miass in the Chelyabinsk region of the Urals, formed in 2024. Their criminal-violence name drives compositions that double down on death metal's most murderous impulses.

Double Space is a stoner/doom metal band from Aarhus, Denmark, active since 2006. With nearly two decades of activity, they are long-standing pillars of Danish stoner and doom.

Double-Wide is a southern metal band from Armagh and Coleraine in Northern Ireland, formed in 2010 with a deep blues influence and low-tuned, groove-heavy sound inspired by Crowbar, Down, and Corrosion of Conformity. Their albums 18 Wheels of Misery (2010) and Heavy Oil (2012) showcase their riff-forward, bottom-end-driven approach to southern sludge.

Doubtsower is a one-person blackened and experimental doom metal project from Wales, formed in 2021 and releasing through UBAii, a sub-label of Unbidden Audio. Their catalog includes Asphyxiation of a Seasick Soul (2021), The Endless Shadow of Despicable Power (2022), and Nothing Reduced to Everything (2024).

Douce Morphine is a gothic/doom metal band from Tours, France, active since 2004. Their name meaning 'sweet morphine,' they deliver narcotic gothic doom from the Loire Valley.

Doukha is a progressive death metal band from Metz, France, formed in 2017. They deliver ambitious progressive death metal from Lorraine.

Doupov is a thrash metal band from Klášterec nad Ohří, Czech Republic, formed in 2021. Calling themselves a "Historical Thrash Metal Commando," their album "Duše hor" channels Czech regional history and folklore through aggressive thrash riffing.

Douve is a post-black metal band from Paris, France, emerging in 2025. Named after the moat, they deliver atmospheric post-black metal from the French capital.

Dove plays thrash metal from Porto, active since 2014 and delivering a dove's-eye view of destruction — peace's symbol weaponized through aggressive riffing. Their ironic name subverts expectations, packaging thrash's violence beneath an image of tranquility.