Decabrist plays doom/post-metal from Moscow, active since 2018 and named after the Decembrist revolt of 1825 against the Russian autocracy. Their historical-revolutionary name frames their heavy, atmospheric compositions as acts of creative resistance.

Decadence Dust plays gothic metal and rock from Veliky Novgorod, one of Russia's oldest cities, active since 2016. Their decay-themed name channels the fading grandeur of their ancient hometown into darkly romantic compositions.

Decadence Incarnate is a melodic death metal and thrash metal band from Gotland, Sweden, formed in 2019. The project channels aggressive melodeath and thrash from the Baltic island.

Decaen is a stoner/doom/sludge metal project conceived by Bosnian-born guitarist and vocalist Haris Dekanovic, now based in Germany, who draws on blues and grunge as foundation for heavy riff-based compositions. The 2022 debut No Rest for the Slaves — seven tracks including Forest Demon and Cosmic Stone — marks the project's first official release under his solo banner.

Decapitated is a technical death metal band from Krosno, Poland, formed in 2000. One of Poland's most acclaimed extreme metal exports, the band has built an internationally respected career of progressive brutal death metal.

Decapitated Christ is a death metal band from Barcelona, Spain, active since 2012. They play blasphemous, heavy death metal from the Catalan capital.

Decapitation of Nuns is a slam/brutal death metal band from Glasgow, Scotland, formed in 2020. Their provocative name matches their ultra-brutal slam death metal.

Decapited is a death metal band from Badalona, Spain, active since 2000. With over two decades of history, they are veteran death metal practitioners from the Barcelona metropolitan area.

Decapity is a death/thrash metal and grindcore band from Mid-Wales, formed in 2021. They deliver decapitating extremity from the Welsh hills.