| L.A. Blues Authority | L.A. Blues Authority | 1992 | CD | |
| LaBrie, James | Elements Of Persuasion | 2005 | CD | |
| Lab˙rinth | No Limits | 1996 | CD | |
| Lab˙rinth | Timeless Crime | 1999 | CDEP | |
| Lab˙rinth | Sons Of Thunder | 2001 | CD | |
| Lamp Of Thoth, The | No Laughing Matter | 2011 | 12" | |
| Landau Group, The Michael | Live | 2006 | 2CD | |
| Landau, Michael | Tales From The Bulge | 1990 | CD | |
| Landau, Michael | Live 2000 | 2001 | 2CD | |
| Landau, Michael | The Star Spangled Banner | 2001 | CD | |
| Lane, Lana | Secrets Of Astrology | 2000 | CD | |
| Lane, Lana | Project Shangri-La | 2002 | CD | |
| Lane, Lana | Lady Macbeth | 2005 | CD | |
| Lane, Lana | Red Planet Boulevard | 2007 | CD | |
| LaPorte, Matt | Change Of Venue | 1998 | CD | |
| Last Chapter | The Living Waters | 1998 | CD | |
| Last Descendants | One Nation Under God | 1988 | CD | |
| Last Empire | Heir To The Throne | 2009 | CD | |
| Last Pharaoh | The Mantle Of Spiders | 2018 | CD | |
| Last Prophecy | Shadows Of The Past | 1995 | 2CD | |
| Last Tribe | Witch Dance | 2002 | CD | |
| Last Tribe | The Uncrowned | 2003 | CD | |
| Lazarus Sin | Intracranial Mass | 1988 | LP | |
| Leatherwolf | Leatherwolf | 1985 | LP | |
| Leatherwolf | Leatherwolf II | 1987 | LP | |
| Leatherwolf | Street Ready | 1989 | LP | |
| Leatherwolf | World Asylum | 2006 | CD | |
| Led Zeppelin | Remasters | 1990 | 2CD | |
| Legend | Fröm The Fjörds | 1979 | Muu | ≡ |
| Legend | Anthology | 2002 | 2CD | |
| Legend | Still Screaming | 2003 | CD | |
| Legend | Frontline | 2016 | 12" | |
| Legend | Contes Inachevés | 2020 | 2LP | |
| Legendry | Mists Of Time / Dungeon Crawler | 2020 | 2CD | |
| Legionnaire | Dawn Of Genesis | 2017 | LP | |
| Legionnaire | Dawn Of Genesis | 2017 | CD | |
| Legs Diamond | Diamonds Are Forever | 2005 | CD | |
| Leiden & Midnite Zombies, Hannu | Helsingin Yöt | 1996 | CDS | |
| LePond's Silent Assassins, Mike | Mike LePond's Silent Assassins | 2014 | CD | |
| LePond's Silent Assassins, Mike | Pawn And Prophecy | 2018 | LP | |
| Leskinen Grand Slam, Juice | Yölento | 1986 | CD | |
| Lethal | Programmed | 1990 | LP | |
| Lethal Night | Visions In The Night | 2017 | CD | |
| Lethean | The Waters Of Death | 2018 | CD | |
| Leviathan | Deepest Secrets Beneath | 1994 | CD | |
| Liberty N' Justice | Soundtrack Of A Soul | 2006 | CD | |
| Liege Lord | Burn To My Touch | 1987 | CD | |
| Liege Lord | Master Control | 1988 | CD | |
| Life After Death | Life After Death | 1996 | CD | |
| Lion's Share | Entrance | 2001 | CD | |
| Lionheart | Hot Tonight | 1984 | LP | |
| Litany | Litany | 2004 | 7" | |
| Litany | Aphesis: The Sapience Of Dying | 2008 | CD | |
| Livesay | Darkest Hour | 2000 | CD | |
| Living Death | Vengeance Of Hell | 1984 | CD | |
| Lizzy Borden | Love You To Pieces | 1985 | CD | |
| Lizzy Borden | Menace To Society | 1986 | LP | |
| Lizzy Borden | Terror Rising | 1987 | 12" | |
| Lizzy Borden | Visual Lies | 1987 | CD | |
| Lizzy Borden | Master Of Disguise | 1989 | CD | |
| Lizzy Borden | Deal With The Devil | 2000 | CD | |
| Lizzy Borden | Appointment With Death | 2007 | CD | |
| Loaded Dice | Back In The Alley | 1999 | CD | |
| Loanshark | Loanshark | 2016 | CDEP | |
| Lofgren, Nils | Everybreath | 1994 | 2CD | |
| Lofgren, Nils | Damaged Goods | 1995 | CD | ≡ |
| Loiri / Jukka Jarvola, Vesa-Matti | Täällä Pohjantähden Alla | 1983 | CD | |
| Loiri, Vesa-Matti | Eino Leino | 1978 | CD | |
| Loiri, Vesa-Matti | Eino Leino 2 | 1980 | CD | |
| Loiri, Vesa-Matti | Vesa-Matti Loiri Tulkitsee Oskar Merikannon Lauluja | 1981 | CD | |
| Loiri, Vesa-Matti | Eino Leino 3 | 1985 | CD | |
| Loiri, Vesa-Matti | Unelmia | 1989 | LP | |
| Loiri, Vesa-Matti | Unelmia | 1989 | CD | |
| Lone Madman, The | Let The Night Come | 2019 | CD | |
| Lone Wolf | Nobody's Move | 1984 | 12" | |
| Lonewolf | March Into The Arena | 2002 | CD | |
| Long Voyage Back | Long Voyage Back | 1998 | CD | |
| Long Voyage Back | Long Voyage II | 1999 | CD | |
| Long Voyage Back | Close To Animal | 2002 | CD | |
| Lord | Personal Journey | 2003 | CD | |
| Lord | Ascendence | 2007 | CD | |
| Lord | Set In Stone | 2009 | CD | |
| Lord | Return Of The Tyrant | 2010 | CDEP | |
| Lord | Digital Lies | 2013 | CD | |
| Lord Fist | Spark For The Night | 2012 | CD | |
| Lord Fist | Wordless Wisdom Of Lord Fist | 2013 | 12" | |
| Lord Fist | Green Eyleen | 2015 | LP | |
| Lord Fist | Wilderness Of Hearts | 2020 | LP | |
| Lord Vader | Goliath | 2001 | CD | |
| Lord Vicar | Fear No Pain | 2008 | 2LP | |
| Lord Vicar | The Black Powder | 2019 | 2LP | |
| Lord Vicar / Funeral Circle | Lord Vicar / Funeral Circle | 2011 | 12" | |
| Lord Vicar / Griftegård | Lord Vicar / Griftegård | 2011 | 7" | |
| Lord Vicar / Revelation | Lord Vicar / Revelation | 2012 | 10" | |
| Lord Vigo | We Shall Overcome | 2022 | MC | |
| Lord Weird Slough Feg, The | The Lord Weird Slough Feg | 1996 | CD | |
| Lord Weird Slough Feg, The | Twilight Of The Idols | 1999 | CD | |
| Lord Weird Slough Feg, The | Twilight Of The Idols | 1999 | LP | |
| Lord Weird Slough Feg, The | Down Among The Deadmen | 2000 | CD | |
| Lord Weird Slough Feg, The | Traveller | 2003 | CD | |
| Lord Weird Slough Feg, The | New Organon | 2019 | LP | |
| Lord Weird Slough Feg, The / Bible Of The Devil | Poisoned Treasures / Galactic Violator | 2006 | 7" | |
| Lord Weird Slough Feg, The / Ironsword | Hail Brittania Volume One - NWOBHM Tribute | 2004 | 7" | |
| Lordi | Get Heavy | 2002 | CD | |
| Lordi | The Monsterican Dream | 2004 | CD | |
| Lordi | The Arockalypse | 2006 | CD+DVD | |
| Lordi | Deadache | 2008 | CD | |
| Lordi | Babez For Breakfast | 2010 | CD | |
| Lordi | To Beast Or Not To Beast | 2013 | CD | |
| Lordi | Scare Force One | 2014 | CD | |
| Lordi | Lordiversity | 2021 | Muu | ≡ |
| Lordian Guard | Woe To The Inhabitants Of The Earth | 1995 | 2CD | |
| Lordian Guard | Sinners In The Hands Of An Angry God | 1997 | CD | |
| Lost Horizon | Awakening The World | 2001 | CD | |
| Lost Horizon | A Flame To The Ground Beneath | 2003 | CD | |
| Lostboys | Lost And Found | 1990 | LP | |
| Loud Crowd | Guardians | 1988 | CD | |
| Loudness | The Birthday Eve | 1981 | LP | |
| Loudness | The Law Of Devil's Land | 1983 | LP | |
| Loudness | Disillusion | 1984 | LP | |
| Loudness | Thunder In The East | 1985 | LP | |
| Loudness | Lightning Strikes | 1986 | LP | |
| Loudness | Hurricane Eyes | 1987 | LP | |
| Loudness | Soldier Of Fortune | 1989 | CD | |
| Loudness | On The Prowl | 1991 | CD | |
| Lubricant | Swallow This: Years 1991-1993 | 2017 | CD | |
| Lukather, Steve | Lukather | 1989 | CD | |
| Lukather, Steve | I Found The Sun Again | 2021 | CD | |
| Lullacry | Be My God | 2001 | CD | |
| Lunar Shadow | Triumphator | 2015 | 12" | |
| Lust | We'll Never Die | 1988 | CD | |
| Lust | Hollywood Roxx (76-80 Studio Sessions) | 2019 | LP | |
| Lynott, Philip | Solo In Soho | 1980 | LP | |
| Lynx | Watcher Of Skies | 2021 | MC | |
| Lynyrd Skynyrd | Skynyrd's Innyrds: Their Greatest Hits | 1989 | CD | |
| Lyytinen, Erja | Forbidden Fruit | 2013 | CD | |
| Lyytinen, Erja | The Sky Is Crying | 2014 | CD | |
| Lääz Rockit | Know Your Enemy | 1987 | CD | |
| Lääz Rockit | Know Your Enemy | 1987 | LP | |
| Lääz Rockit | Annihilation Principle | 1989 | CD | |
| Lääz Rockit | Nothing'$ $acred | 1991 | CD | |