Decembrance is a progressive metal and gothic rock band from Frankfurt an der Oder, Germany, active since 2005. They merge progressive metal's complexity with the dark atmosphere of gothic rock across two decades of creativity.

Decencya is a melodic death metal band from Thaon-les-Vosges, France, active since 2013. They deliver melodic death metal from the Vosges mountains.

Decended is a power metal band from Joensuu, Finland, active since 2012. They play energetic power metal from eastern Finland.

Decent is a death metal band from Valence, France, active since 2005. With two decades of activity, they are experienced death metal practitioners from the Rhône Valley.

Founded in 2007 in Bütgenbach in the German-speaking community of eastern Belgium, Decent Invasion blends metalcore with nu-metal, hardcore, and thrash into a genre-defying sound that resists easy categorization. After a four-year hiatus the band returned as a trio, delivering gnarly groove-heavy riffs alongside metalcore aggression.

Decepti is a black metal band from Ostergotland, Sweden, formed in 2018. The project channels dark black metal.

Deception is a thrash metal band from Schwechat, Lower Austria, distributing music through the Bandcamp handle deceptiondsbm. The band works within classic European thrash metal, contributing to the active but largely underground scene surrounding Vienna.

Deceptionist is a technical and brutal death metal band from Rome, recognized for their intricate, surgically precise approach to extreme metal. Their compositions weave dizzying time signatures and sweep-picked arpeggios into a framework of crushing, rhythmically complex brutality.

Deceptive plays melodic doom/death metal from Moscow, active since 2018 and misleading expectations through compositions that balance beauty with crushing weight. Their name captures the genre's core trick — luring listeners with melody before delivering devastation.