Madame Guillotine is a heavy metal and hard rock act from the Norman town of Argentan, active since 2017. The band channels the French Revolution's most infamous instrument of execution into dramatic, riff-driven metal.

Madame Violence is a death/thrash metal band from Leiria, Portugal, formed in 2013. They forge aggressive extreme metal at the crossroads of death and thrash.

Madarikatua is a heavy metal band from Hauts-de-France, formed in 2017. They forge powerful heavy metal from northern France.

MadBrain is a death/thrash metal act from Wuppertal, Germany, formed in 2022. Their sound combines death metal's brutality with thrash's velocity, emerging from the industrial Bergisches Land region of North Rhine-Westphalia.

Madcaps is a thrash metal act from the tiny Marchean town of Santa Vittoria in Matenano, active since 2014. The band delivers energetic thrash from one of central Italy's most improbably rural metal outposts.

Madder Mortem is an Oslo-based band that has evolved from atmospheric doom metal into a unique strain of progressive metal. Led by the distinctive vocals of Agnete Kirkevaag, the band has been a critical favorite in the Norwegian underground for their adventurous, genre-defying approach to heavy music.

Made By is a thrash metal act from the western Slovak city of Považská Bystrica, formed in 2022. The band delivers aggressive thrash from the Váh river valley.

Made of Hate was a German metal band active from 2003 to 2006, blending death metal, thrash, and hardcore into an aggressive sonic assault. Twenty-five original songs were released in 2024 for their 20th anniversary reunion, newly recorded and produced from the original 2003-2006 compositions.

Madenfraß is a death metal band from Sangerhausen, Germany, whose 2019 debut demo "Blood Bole" delivers groove-driven old-school death metal with a focus on crushing, riff-heavy compositions. Their name, meaning "maggot feed" in German, signals the band's commitment to visceral extremity.