Monkeypriest is a sludge, doom, and death metal power trio from Seville, Spain, active since 2009. Their releases including Defending the Tree, The Psalm, and a split with Fistula deliver crushing sludge-doom with death metal undertones.

Monolithe is a funeral doom metal band from Paris, France, active since 2003, having evolved toward melodic death and doom metal. Their pioneering approach to expansive, monolithic doom compositions has made them one of France's most respected extreme doom acts.

Monoptera is a blackened progressive thrash and death metal band from Bedfordshire, England, formed in 2024. They blend blackened aggression with progressive complexity across thrash and death metal.

Monox is a groove and death metal band from Rijeka, Croatia, formed in 2015. They blend groove metal's rhythmic power with death metal's ferocity from the Croatian coast.

Monstera is a death and thrash metal band from Sillamäe, Estonia, formed in 2016. They forge aggressive extreme metal drawing from both death and thrash metal traditions.

Monsterbrau is a death metal and grindcore act from Roanne in the Loire department, active since 2018. The band pairs death metal heaviness with grindcore's compact fury, delivering short, punishing bursts of extremity.

Monstrous is a death metal act from the coastal Småland town of Gamleby, active since 2020. The band delivers the towering, monstrous heaviness their name demands.

Monstrum is a death metal outfit from Kiel, Germany, formed in 2024. Their catalog includes the albums 'Insidious Incantations' and 'Mental Demolition,' along with a cover of Black Sabbath tracks, channeling classic death metal ferocity from Schleswig-Holstein's underground scene.

Monstrvm is a progressive death metal act from Bielsko-Biała in southern Poland, formed in 2025. The band delivers technically ambitious death metal with the archaic spelling of their monstrous name.