D-Tox is a groove and heavy metal band from Rome, Italy, formed in 2020. The band channel rhythmic, riff-driven groove metal with classic heavy metal energy.

D. Machine is a heavy metal and hard rock band from Brussels, Belgium, operating under the earlier name Dream Machine before the mid-1990s. The band recorded a full-length album Tome 1 in 1993 that went unreleased, documenting a project caught between the tail end of the classic metal era and an uncertain path forward.

D.O.G. is a heavy metal/hard rock band from Mäntsälä, Finland, formed in 2020. They play straightforward heavy metal and hard rock from southern Finland.

Daemoncula is a band from Munich, Germany, formed in 2023, blending doom metal and heavy metal with psychedelic rock elements. Their sound merges crushing heaviness with trippy, mind-expanding sonic exploration.

Daff plays heavy metal from Stathelle on Norway's southern coast, formed in 2024 and delivering traditional metal from a small town better known for its maritime industry. Their brief, punchy name matches a direct approach to heavy metal that wastes nothing.

Daggerose is a heavy and thrash metal band from Bratislava, Slovakia, formed in 2019. The project blends classic heavy metal with thrash aggression from the Slovak capital.

Dahomey is a southern metal/rock band from Toulouse, France, formed in 2018. They deliver heavy southern grooves from the pink city of southwestern France.

Daily Insanity is a heavy/thrash metal band from Berlin, Germany, formed in 2021. They deliver hard-hitting thrash with the weight of classic heavy metal.

Dakaraius is a progressive/heavy metal band from Bristol, England, formed in 2015. They deliver ambitious progressive metal from the West Country.