Mark Witchhammer is a heavy metal project from Kamianske, Ukraine, established in 2022. The discography includes 'Sacrifice,' 'The Abyss,' 'Black Cold Doom,' and a live rehearsal ritual, channeling dark, intense metal compositions through both studio and live recordings.

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.

Marquis de Sade is a NWOBHM-inspired heavy metal band from London, England, formed in 2023. They channel the spirit of the New Wave of British Heavy Metal through classic-styled compositions.

Marshall Law was a seminal Birmingham heavy/power metal act formed in 1987, who toured alongside Motörhead and Yngwie Malmsteen during the late 1980s. Their debut album on Heavy Metal Records and subsequent releases like 'Power Game' cemented their reputation as one of the UK's finest traditional metal bands before their final split in 2010.

Marterpæl is a three-piece black metal band from Aarhus, Denmark, formed in 2022. Their releases including Hævnens Lys and a 2023 promo deliver raw, authentic Danish black metal.

Marthe is a heavy and doom metal band from Bologna, Italy, formed in 2019. They channel crushing heavy doom from the Emilian capital.

A heavy metal act from the central Slovak city of Prievidza, Marturos has been delivering classic-style metal since 2019. The band channels the Upper Nitra valley's industrial spirit into traditional compositions.