mu:d is a funeral doom/black metal band from Pistoia, Italy, formed in 2021. They fuse black metal's cold fury with doom's crushing weight.

Muggnagar is a symphonic/melodic black metal band from Bodø, Norway, formed in 2016. They craft atmospheric melodic black metal with sweeping melodies and emotional depth.

Muilaff is a death/black metal band from Littau, Switzerland, formed in 1998. They forge extreme metal at the fierce intersection of black and death metal.

Muisto is a black metal band from Finland, formed in 2018. Their Finnish name meaning "memory" captures their introspective approach to atmospheric black metal.

Muka is a black and death metal band from Zagreb, Croatia, formed in 2013. They forge extreme metal from the Croatian capital.

Muld is an experimental black metal project from Kristiansand in southern Norway, active since 2021. The project pushes black metal's boundaries into avant-garde territory from the Sørlandet coast.

Muluc is a black metal, ambient, and drone project from Jihlava, Czech Republic, active since 2012. Their sound occupies the atmospheric fringe where black metal dissolves into ambient drift and hypnotic drone, creating immersive sonic landscapes from the Moravian underground.

Mumincunt is a melodic black/death metal band from Uppsala, Sweden, formed in 2016. They forge extreme metal at the fierce intersection of black and death metal.

A black metal project from Bremnes in western Norway, Mundilfare takes its name from Norse mythology and has been crafting atmospheric compositions since 2021. The project channels coastal Norwegian darkness into expansive black metal.