Dedov Production is a thrash metal band from Tashlyk and Orlovets, Ukraine, formed in 2017. The project delivers aggressive thrash metal from rural Ukraine.

Dedpool is a groove/thrash metal band from Hückelhoven, Germany, formed in 2018. They deliver heavy grooves paired with thrash metal's aggressive energy.

Deep Coma plays thrash/death metal from Ponta Delgada in the Azores, active since 2010 and delivering extreme metal from the middle of the Atlantic Ocean. Their comatose name contrasts with the high-energy aggression of their thrash/death hybrid, created in one of Europe's most isolated settings.

Deep Desolation is a black, doom, groove, and thrash metal band from Lodz, Poland, formed in 2019. The project draws from multiple extreme metal styles in a diverse sonic attack.

Deep Violence is a thrash/death metal band from Lunéville, France, active since 2013. They deliver deeply violent thrash/death from Lorraine.

Def Con One is a thrash metal/hardcore band from Newcastle upon Tyne, England, formed in 2019. They deliver high-alert thrash and hardcore from the North East.

A Brussels-based groove and thrash metal outfit, Def Soul grind out riff-forward metal energized by the rhythmic aggression of groove and the speed of old-school thrash. Active in the Belgian underground, the band maintains an independent presence on Bandcamp under the handle deesoul.

Defacer is a thrash metal/hardcore band from Kirkcaldy, Scotland, formed in 2016. They deliver defacing thrash and hardcore from Fife.

Defcon is a Potsdam-based thrash metal act active since 2007, named after the defense readiness condition system and delivering music with matching military urgency. Their sound channels the intensity of the Cold War-era threat level into relentless, high-alert thrash.