M-Hunter is a progressive death/gothic metal band from Moscow, Russia, formed in 2020. They push death metal into progressive territory with technical ambition.

Maahlas is a progressive melodic death/black metal band from Oslo, Norway, formed in 2014. They forge extreme metal at the fierce intersection of black and death metal.

Mac Tyroon is a solo progressive metal project from Germany, led by a self-taught guitarist and former frontman who blends groove metal's raw energy with cinematic atmospheres and video game-influenced electronic elements. Releases like the "Evilution" EP showcase compositions that alternate between brutal heaviness and introspective soundscapes.

Mad Act is a progressive stoner and sludge metal band from Amiens, France, formed in 2019. They blend progressive ambition with stoner-sludge metal's crushing, groove-laden heaviness.

Mad Road is a progressive heavy and thrash metal band from Tallinn, Estonia, formed in 2014. They combine progressive metal's technical ambition with the raw energy of heavy and thrash metal.

Mad Smile is a metal band from Moscow, Russia, blending hard riffs with melodic themes and unconventional vocals. Their 2015 album 'Unleash the Lightning' delivers ten tracks where each song has its own distinct character, exploring dark narratives from psychological horror to warfare.

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.

Magic and Medicine is a female-fronted progressive metal band from Oldenburg, Germany, active since 2021 with vocalist Judith Elisabeth Meyer leading a five-piece ensemble. Their 2025 self-titled debut balances dramatic, healing atmospheres with expansive progressive songwriting across three epic compositions.

Magnetorium is a progressive heavy metal band from Maintal/Frankfurt, Germany, formed in 2013. They craft intricate progressive compositions with technical ambition.