Bands by letter: L
- L6B6T6MY
- Lååz Rockit
- James LaBrie
- Labyrinth (AUS)
- Labyrinth (ITA)
- Labyrinth (POL)
- Buddy Lackey
- Lacrimosa
- Lacuna Coil
- L.A. Guns
- Lair of the Minotaur
- Lake of Tears
- Lalu
- Lamb of God
- Lana Lane
- Lanfear
- Lapse of Memory
- La Rumeur des Chaînes
- Last Crack
- Last Days of Humanity
- Last Prophecy
- Last Tribe
- Lawnmower Deth
- Lazarus (US - NY)
- Lazarus (US - WI)
- LD/50
- Leatherwolf
- Leaves' Eyes
- Led Zeppelin
- Leeway
- Lefay
- Legacy (PR)
- Legacy (USA)
- Legend
- Legenda
- Legend Maker
- Legion
- Legion (SPA)
- Legion of the Damned
- Leicohtica
- Lemur Voice
- Lengsel
- Leonardo
- Leprechaun
- Leprous
- Letal Solaris
- Lethal (SWE)
- Lethal (USA)
- Lethargy
- Let It Flow
- Let Me Dream
- Letter X
- Leukorrhea
- Leviathan (SWE)
- Leviathan (USA - CA)
- Leviathan (USA - CO)
- Liar of Golgotha
- Liege Lord
- Liers In Wait
- Life Artist
- Life of Agony
- Lightforce
- Lightmare
- Light Pupil Dilate
- L.I.G.O. (Laser Interferometer Gravitational Wave Observatory)
- Lik
- Lilitu
- Limb From Limb
- Limbonic Art
- Lindsey Boullt
- Linear Sphere
- Linedriver
- Lion
- Lionsheart
- Lion's Share
- Liquid Tension Experiment
- Lividity
- Living Colour
- Living Death
- The Living Fields
- Living Loud
- Living Sacrifice
- Liv Kristine
- Liza
- Lizzy Borden
- Lloth
- Lobotomy (ARG)
- Loch Vostok
- Lock Up
- Locus Factor
- Logon
- Long Voyage Back
- Looking Glass Self
- Jeff Loomis
- Lord
- Lord Bane
- Lord Belial
- Lord Byron
- Lord Gore
- Lordi
- Lordian Guard
- Lord Kaos
- Lord Of Mushrooms
- The Lord Weird Slough Feg
- Dan Lorenzo
- Lost Forever
- Lost Horizon
- Lost In Twilight
- Lost Soul
- Loudness
- Lovecraaft
- Love History
- Lovex
- The Loving Tongue
- Lowbrow
- A Lower Deep
- Luca Turilli
- Luca Turilli's Dreamquest
- Lucian Tu
- Luciferion
- Lucifer's Heritage
- Lucifugum (SPN)
- Lucifugum (UKR)
- Luddite Clone
- Ludichrist
- Ludicra
- Luftwaffe Raid
- Lugubrum
- Lujuria
- Lullacry
- Lumsk
- Lunar Aurora
- Lunaris
- Lunatica
- Lunatic Gods
- Lurker of Chalice
- Luthor
- Lux Occulta
- Luzbel
- Lycanthia
- Lykathea Aflame
- Lynch Mob