A black/death metal act from the Mediterranean port city of Toulon, Markarth delivers aggressive extremity inflected with both Nordic fury and southern intensity. Active since 2017, the band bridges the atmospherics of black metal with the brutality of death metal.

Markgraf is a heavy/black metal trio from Baden-Baden, Germany, featuring Elio "Ódio" Lucas Lima Walther on guitars and vocals, Hilko Ukena on drums, and Raul Starcz on bass. Their releases "Markgraf" and "Hohenbaden" blend heavy metal's classic power with black metal's aggressive edge.

Markiisi is a blackened crust and hardcore punk band from Tampere, Finland, active since 2010 as 'harbingers of Finnish black metal and hc punk.' Their 2023 self-titled debut album spans fourteen tracks fusing black metal, hardcore punk, and dark ambient with satirical commentary on religion and society.

Marko Hietala is a Finnish heavy metal musician who served as bassist and male vocalist for Nightwish from 2001 through his departure in January 2021, appearing on the band's most commercially successful era including Dark Passion Play (2007) and Endless Forms Most Beautiful (2015). He has simultaneously led the Finnish heavy metal band Tarot since the 1980s as vocalist and bassist. His solo career began with the Finnish-language Mustan Sydämen Rovio (2019) and its English counterpart Pyre of the Black Heart (2020), with a second solo album Roses from the Deep announced for February 2025.

Markov Chain is a post-metal band from Ljubljana, Slovenia, formed in 2022. They craft atmospheric, dynamic post-metal compositions.

Markus Neuwirth is a progressive folk metal solo artist from Karlsruhe, Germany, whose 2014 album "Der Knabe im Moor" is a six-movement, 36-minute adaptation of Annette von Droste-Hülshoff's 19th-century poem. Classic Rock Magazine described the work as "veering between prog, dark folk and black metal," blending acoustic passages with extreme metal intensity.

Marlugubre is a progressive death, post-metal, and acoustic/ambient band from Taranto, Italy, formed in 2019. They blend progressive death metal with post-metal dynamics and ambient passages.

Bingley's Marmozets delivered some of the most inventive and ferocious alt-rock to emerge from the UK in the 2010s, driven by Becca Macintyre's powerhouse vocals and the band's math-rock-inflected arrangements. Their 2014 debut 'The Weird and Wonderful Marmozets' was a whirlwind of angular riffs, shifting time signatures, and explosive energy that earned widespread critical praise. The sibling-heavy lineup brought a rare chemistry to their chaotic yet melodic sound, blending punk urgency with progressive complexity.

Blacklore is a heavy/power metal project from Hungary, formed in 2024. The project draws from the European power metal tradition with an emphasis on melody and epic storytelling.