D Patrol is a progressive/stoner metal band from Achères, France, formed in 2020. They patrol progressive and stoner territories from the Parisian suburbs.

D-Lusion is a progressive/power metal band from Munich, Germany, active since 2013. They combine the technicality of progressive metal with the melodic power and energy of the power metal tradition.

Da Capo is a progressive metal band from Szentgothard, Hungary, active since 1997. With over two decades of activity, the band are veterans of the Hungarian progressive metal scene.

Dacast is a progressive death metal/deathcore band from Paris, France, active since 2012. They push deathcore into progressive death metal territory.

Daedalus is a progressive metal project from Genoa whose catalog includes releases like Striations and Digging a Bird's Grave, weaving intricate guitar arrangements into dense, layered compositions. Their exploratory approach favors unconventional song structures and atmospheric depth over straightforward heaviness.

Daemonizer is a progressive metal band from Siegen, Germany, formed in 2018. They explore complex arrangements and technical musicianship within a heavy progressive framework.

Daevidius plays progressive metal and rock from Bromolla in Skane, active since 2016. Their Latinized personal-name format signals a solo vision of technically accomplished, cerebral compositions from southern Sweden.

Dageraad is a two-piece blackened progressive sludge outfit from Leuven, Belgium, formed within the fertile tradition of Belgian post-metal that has produced internationally recognized acts on labels like Consouling Sounds. Their debut EP In Bloed, released in late 2024, marks the project's first formal recorded statement.

Dahlian is a progressive black metal band from Mainz, Germany, active since 2013. Their music blends aggressive metal with ambient and acoustic passages, featuring introspective lyrics that explore identity and existential themes across releases like "Moonlit."