The Legion of Doom is a heavy/groove/progressive metal band from Nottingham, active since 2011. Their music fuses the rhythmic power of groove metal with progressive complexity and traditional heavy metal hooks from the East Midlands.

The Liberator is a black metal turned thrash metal band from Lohja, Finland, formed in 2025. They evolved from black metal origins toward thrash's riff-driven aggression.

The Lifeless is a death metal band from Genoa, Italy, formed in 2014. They deliver heavy, uncompromising death metal from the Ligurian port city.

The Lifted Veil is a black/death metal band from Mikkeli, Finland, formed in 2016. They combine the darkness of black metal with death metal's ferocity.

The Light is a heavy metal/hard rock band from Lörrach, Germany, formed in 2014. They play classic heavy metal and hard rock from the upper Rhine.

The Lone Madman is an epic doom metal project from Helsinki, Finland, formed in 2016. They craft grand, epic doom metal compositions.

The Losts from Lille deliver heavy metal from the northern French metropolis near the Belgian border with the disoriented energy their grammatically unconventional name suggests since 2013. Over a decade of output from Nord-Pas-de-Calais, they have carved out a space in the cross-border metal scene.

The Loveless from Copenhagen craft gothic metal and rock that explores themes of romantic desolation and emotional void since 2014. Their sound draws from the European gothic tradition's darkest veins, channeling heartbreak and longing through heavy, atmospheric compositions.

The Lump from Rennes deliver slam and brutal death metal with the tumorous, grotesque intensity their name demands since 2017. Their Breton capital base produces compositions as malformed and aggressive as the pathological growth they're named after.