Malaverany is a death/doom metal band from Manresa, Spain, formed in 2005. They craft crushing doom-death compositions steeped in oppressive heaviness.

Maledicta Rituale is a melodic groove and doom metal band from the UK, formed in 2025. They blend groove metal's rhythmic drive with doom's oppressive weight.

Begotten Silence is a melodic death metal act from Budapest, active since 2013. The band delivers Scandinavian-influenced melodeath with a distinctly Hungarian identity.

MallevM is a sludge/doom metal quartet from Slavonice, Czech Republic, whose 2023 "rehearsal dungeon demo" captures five extended compositions of crushing, atmospheric heaviness. Their sound emphasizes slow-burning instrumental passages and throat-shredding vocals in the tradition of the genre's most oppressive practitioners.

Malsten is a doom metal act from Malmö, active since 2019. The band delivers crushing, glacially paced doom from Sweden's third-largest city.

Malämmar is an atmospheric sludge, doom, and post-metal trio from Barcelona, Spain, formed in 2016. Their releases including the Vendetta LP and performances at dunk!festival deliver crushing atmospheric heaviness that defies easy categorization.

Mammoth Storm formed in Säffle, Sweden at the end of 2012 for the express purpose of playing heavy, riff-driven doom, drawing on stoner metal and traditional doom conventions without affectation. The band released their debut full-length Fornjot in 2015 on Napalm Records, followed by Alruna (2019) on Argonauta Records, each featuring lengthy, slow-burning compositions built around massive guitar tones and atmospheric organ. Their straightforward dedication to the heaviness of the riff places them in line with Swedish doom tradition alongside acts like Reverend Bizarre and Witchcraft.

Manali is a cosmic doom band from Kolding, Denmark, featuring guitar, drums, bass, and synth/vocals. Their catalog consists of rehearsal tape volumes that capture the raw, unpolished essence of their spacey, heavy sound, emphasizing live-session intensity over studio polish.

Mang Ont is a stoner, sludge, and doom metal band from Tartu, Estonia, formed in 2012, blending heavy, slow riffs with psychedelic drone and noise. Their Estonian-language releases including Külmavärinad and Sügavkülmunud tuum channel crushing sonic weight through modular synth, bass, and guitar.