Diaclast is a technical death metal band from Yekaterinburg, Russia, formed in 2014. The project delivers technically precise death metal from the Ural capital.

Diagoras is a technical death metal band from Gothenburg, Sweden, formed in 2018. The project delivers technically precise death metal from the west coast.

Diascorium is a technical death/black metal band from Leeds, England, active since 2010. They deliver technically demanding extreme metal from West Yorkshire.

Diathesis is a London-based technical death metal band formed in 2010, featuring vocalist Ross Hurrell and guitarist Paul Voulgaridis among their lineup. Their debut release The Inception showcases a blend of technical death metal and progressive metal influences across six tracks of intricate, aggressive material.

Dichotomy is a melodic and technical death metal band from Dublin, Ireland, formed in 2011. The band blend intricate technical passages with melodic death metal sensibility.

Diffracted is a technical death metal band from Leeds, England, formed in 2018. The band channel intricate riffing and precision drumming into a technically demanding strain of modern death metal.

Dire Necro Cerberus is a technical death metal project from Milan, Italy, formed in 2015. Uniquely blending extreme metal with classical music reinterpretation, the project features covers of Bach and Paganini alongside original compositions that bridge high art and death metal.

Dissector is a thrash and technical death metal band from Split, Croatia, active since 2007, evolving from straightforward thrash into technical death metal territory. The band represent the long-running extreme metal tradition of the Dalmatian coast.

Dissectum is a technical death metal band from Karlskrona, Sweden, formed in 2007. The project delivers technically precise death metal from the Blekinge coast.