| I | Between Two Worlds | 2006 | CD | |
| I Am The Night | Hear Me O' Unmaker | 2021 | 12" | |
| I Walk The Line | Black Wave Rising! | 2008 | CD | |
| IC | Hard Beat | 1984 | LP | |
| Ice Age | Breaking The Ice | 2017 | LP | |
| Ice Age | Breaking The Ice | 2017 | CD | |
| Iced Earth | S/t | 1990 | CD | ≡ |
| Iced Earth | Night Of The Stormrider | 1991 | CD | ≡ |
| Iced Earth | Burnt Offerings | 1995 | 2CD | ≡ |
| Iced Earth | Dark Saga | 1996 | CD | ≡ |
| Iced Earth | Something Wicked This Way Comes | 1998 | CD | ≡ |
| Iced Earth | Alive In Athens | 1999 | 3CD | ≡ |
| Iced Earth | Alive In Athens | 1999 | CD | ≡ |
| Iced Earth | Alive In Athens | 1999 | CD | ≡ |
| Iced Earth | The Horror Show | 2001 | CD | ≡ |
| Iced Earth | The Glorious Burden | 2004 | CD | |
| Iced Earth | The Glorious Burden | 2004 | 2CD | |
| Iced Earth | Gettysburg (1863) | 2005 | 2DVD | ≡ |
| Iced Earth | The Crucible Of Man (Something Wicked Part 2) | 2008 | CD | |
| Iced Earth | Dystopia | 2011 | CD | |
| Iced Earth | Festivals Of The Wicked | 2011 | CD | |
| Iced Earth | Live In Ancient Kourion | 2013 | 2CD+DVD | ≡ |
| Iced Earth | Plagues Of Babylon | 2014 | CD+DVD | ≡ |
| Iced Earth | In Corruptible | 2017 | CD | |
| Iced Earth/Type O Negative/Engel | Setian Massacre/September Sun/In Splendour | 2007 | CDEP | |
| Icon | Night Of The Crime | 1985 | LP | |
| ICS Vortex | Storm Seeker | 2011 | CD | |
| Icycore | Wetwired | 2004 | CD | |
| Idol Billy | S/t | 1982 | CD | |
| Idol Billy | Rebel Yell | 1983 | LP | |
| Idol Billy | Whiplash Smile | 1986 | LP | |
| Idol Billy | Whiplash Smile | 1986 | MC | |
| Idol Billy | 11 Of The Best | 1988 | LP | |
| Idol Billy | Charmed Life | 1990 | CD | |
| Idol Billy | Cradle Of Love | 1990 | 7" | |
| Idol Billy | Greatest Hits | 2001 | CD | |
| Idol Billy | Devil's Playground | 2005 | CD | |
| Igigi | I | 2020 | CDEP | |
| Iku | Mustaa Valoa | 1990 | LP | ≡ |
| Iku | Ruusuja Ja Ohdakkeita | 1991 | LP | |
| Iku | Haloo | 2001 | CDEP | |
| Iku | Musta Herra | 2006 | CD | |
| Iku | Suomirock - ilta | 2008 | CD | |
| Ile Kallio Big Rock Band | Right Now | 2016 | CD | ≡ |
| Ilona | Leo (Saat Myös Pullaa) | 1986 | 7" | |
| Ilona | Toiset Saa (On Se Niin Oikein) | 1987 | LP | |
| Ilona | Ilotulitus | 1989 | LP | |
| Ilona | Periodi 1986 - 1990 | 2006 | CD | |
| Immolation | Dawn Of Possession | 1991 | CD | |
| Immolation | Here In After | 1996 | CD | |
| Immolation | Majesty And Decay | 2010 | CD | |
| Immortal | Pure Holocaust | 1993 | CD | |
| Immortal | Battles In The North | 1995 | CD | |
| Immortal | Masters Of Nebulah Frost | 1995 | VHS | |
| Immortal | Blizzard Beasts | 1997 | CD | |
| Immortal | Sons Of Northern Darkness | 2002 | CD+DVD | |
| Immortal | All Shall Fall | 2009 | CD | |
| Immortal | The Seventh Date Of Blashyrkh | 2010 | CD+DVD | |
| Impaled Nazarene | Tol Cormpt Norz Norz Norz | 1992 | CD | |
| Impaled Nazarene | Sadogoat | 1993 | 7" | ≡ |
| Impaled Nazarene | Satanic Masowhore | 1993 | 7" | ≡ |
| Impaled Nazarene | Ugra - Karma | 1993 | CD | |
| Impaled Nazarene | Suomi Finland Perkele - 100 Years Of Finnish Independence | 1994 | LP | ≡ |
| Impaled Nazarene | Suomi Finland Perkele - 100 Years Of Finnish Independence | 1994 | MC | ≡ |
| Impaled Nazarene | 1999: Karmakeddon Warriors | 1996 | VHS | |
| Impaled Nazarene | Latex Cult | 1996 | CD | |
| Impaled Nazarene | Rapture | 1998 | CD | ≡ |
| Impaled Nazarene | Nihil | 2000 | CD | |
| Impaled Nazarene | Absence Of War Does Not Mean Peace | 2001 | CD | |
| Impaled Nazarene | All That You Fear | 2003 | CD | |
| Impaled Nazarene | Pro Patria Finlandia | 2006 | CD | ≡ |
| Impaled Nazarene | Manifest | 2007 | CD | |
| Impaled Nazarene | Road To The Octagon | 2010 | CD | |
| Impellitteri | Pedal To The Metal | 2005 | CD | |
| Impera | Shadows In Light | 2012 | CDS | |
| Imperial State Electric | In Concert! | 2010 | CD | |
| Imperial State Electric | In Concert! | 2010 | 10" | |
| Imperial State Electric | S/t | 2010 | CD | |
| Imperial State Electric | S/t | 2010 | LP | |
| Imperial State Electric | S/t | 2010 | CD | ≡ |
| Imperial State Electric | Pop War | 2012 | CD | |
| Imperial State Electric | Pop War | 2012 | LP | ≡ |
| Imperial State Electric | Pop War | 2012 | CD | ≡ |
| Imperial State Electric | Reptile Brain Music | 2013 | CD | |
| Imperial State Electric | Reptile Brain Music | 2013 | LP | ≡ |
| Imperial State Electric | Reptile Brain | 2014 | 7" | ≡ |
| Imperial State Electric | Why Don't You Leave It Alone | 2014 | 7" | ≡ |
| Imperial State Electric | All Over My Head | 2015 | 7" | |
| Imperial State Electric | Anywhere Loud | 2015 | 7" | |
| Imperial State Electric | Honk Machine | 2015 | CD | ≡ |
| Imperial State Electric | Honk Machine | 2015 | CD | ≡ |
| Imperial State Electric | Honk Machine | 2015 | LP | ≡ |
| Imperial State Electric | Read Me Wrong | 2015 | 12" | |
| Imperial State Electric | All Through The Night | 2016 | CD | |
| Imperial State Electric | All Through The Night | 2016 | LP | ≡ |
| Imperial State Electric | All Through The Night | 2016 | LP | ≡ |
| Imperial State Electric | All Through The Night | 2016 | LP | ≡ |
| Imperial State Electric | All Through The Night | 2016 | LP | ≡ |
| Imperial State Electric | All Through The Night | 2016 | LP | |
| Imperial State Electric | Anywhere Loud | 2018 | 2LP | ≡ |
| Imperial State Electric | Anywhere Loud | 2018 | CD | |
| Imperial State Electric / Mary's Kids | Policy Of Truth/Never Let Me Down Again | 2013 | 7" | |
| Imperial State Electric/Bloodlights | Castaway/Danger Zone | 2010 | 7" | |
| Implore | Thanatos | 2016 | 7" | |
| In Flames | The Jester Race - Black - Ash Inheritance | 1995 | CD | |
| In Flames | Whoracle | 1997 | CD | |
| In Flames | Colony | 1999 | CD | |
| In Flames | Clayman | 2000 | CD | |
| In Flames | Reroute To Remain | 2002 | CD | |
| In Flames | Trigger | 2003 | CDEP | |
| In Flames | Soundtrack To Your Escape | 2004 | CD | |
| In Flames | Soundtrack To Your Escape | 2004 | CD | ≡ |
| In Flames | Used & Abused - In Live We Trust | 2005 | 2DVD | |
| In Flames | Come Clarity | 2006 | CD+DVD | |
| In Flames | A Sense Of Purpose | 2008 | CD | |
| In Flames | Sounds Of A Playground Fading | 2011 | CD | |
| In Flames | Siren Charms | 2014 | CD | ≡ |
| In Flames | Battles | 2016 | CD | ≡ |
| Incite | Divided We Fail | 2008 | CD | ≡ |
| Indica | Ikuinen Virta | 2004 | CD | ≡ |
| Indica | Scarlett | 2004 | CDS | |
| Indica | Kadonnut Puutarha | 2007 | CD | |
| Indica | Valoissa | 2008 | CD | |
| Indica | Pahinta Tänään - Kokoelma | 2009 | CD | |
| Indica | A Way Away | 2010 | CD | |
| Indica | Akvaario | 2014 | CD | |
| Indigoflood | Attfracta | 2003 | CDS | |
| Inferia | Release For Burial Orgies | 2005 | CD | |
| Inferia/Cannibal Accident | Split | 2014 | 7" | ≡ |
| Infernal Heirarchy | S/t | – | 7" | |
| Initiated | World On Fire | 2016 | CD | |
| Insaint & Co | Amnesty | – | LP | |
| Insomnium | Since The Day It All Came Down | 2004 | CD | |
| Insomnium | One For Sorrow | 2012 | 2CD | |
| Invictus | Black Heart | 2003 | CD | |
| Iommi | S/t | 2000 | CD | |
| Iommi | Fused | 2005 | CD | |
| Irina | Vahva | 2004 | CD | ≡ |
| Irina | Älä Riko Kaavaa | 2005 | CD | ≡ |
| Irina | Miten Valmiiksi Tullaan | 2009 | CD | |
| Iron Gland | Promo | – | CDEP | |
| Iron Maiden | Lost Treasures | – | CD | |
| Iron Maiden | Running Free | 1980 | 7" | ≡ |
| Iron Maiden | S/t | 1980 | LP | |
| Iron Maiden | S/t | 1980 | CD | |
| Iron Maiden | S/t | 1980 | MC | ≡ |
| Iron Maiden | Sanctuary | 1980 | 7" | ≡ |
| Iron Maiden | Women In Uniform | 1980 | 12" | |
| Iron Maiden | Women In Uniform | 1980 | 7" | ≡ |
| Iron Maiden | Killers | 1981 | LP | |
| Iron Maiden | Killers | 1981 | CD | |
| Iron Maiden | Killers | 1981 | MC | ≡ |
| Iron Maiden | Killers | 1981 | CD | |
| Iron Maiden | Maiden Japan | 1981 | 12" | |
| Iron Maiden | Twilight Zone | 1981 | 7" | ≡ |
| Iron Maiden | Purgatory | 1982 | 7" | ≡ |
| Iron Maiden | Run To The Hills | 1982 | 7" | ≡ |
| Iron Maiden | The Number Of The Beast | 1982 | CD | |
| Iron Maiden | The Number Of The Beast | 1982 | LP | |
| Iron Maiden | The Number Of The Beast | 1982 | 7" | ≡ |
| Iron Maiden | The Number Of The Beast | 1982 | CD | ≡ |
| Iron Maiden | Flight Of Icarus | 1983 | 12" | |
| Iron Maiden | Flight Of Icarus | 1983 | 7" | ≡ |
| Iron Maiden | Piece Of Mind | 1983 | CD | |
| Iron Maiden | Piece Of Mind | 1983 | LP | ≡ |
| Iron Maiden | Piece Of Mind | 1983 | 2CD | |
| Iron Maiden | The Trooper | 1983 | 7" | ≡ |
| Iron Maiden | Aces High | 1984 | 12" | |
| Iron Maiden | Aces High | 1984 | 7" | ≡ |
| Iron Maiden | Behind The Iron Curtain | 1984 | VHS | |
| Iron Maiden | Live!!+ One | 1984 | LP | ≡ |
| Iron Maiden | Powerslave | 1984 | CD | |
| Iron Maiden | Powerslave | 1984 | 2CD | |
| Iron Maiden | Two Minutes To Midnight | 1984 | 7" | |
| Iron Maiden | Two Minutes To Midnight | 1984 | 7" | ≡ |
| Iron Maiden | Live After Death | 1985 | 2LP | ≡ |
| Iron Maiden | Live After Death | 1985 | 2DVD | |
| Iron Maiden | Live After Death | 1985 | 2CD | |
| Iron Maiden | Run To The Hills (Live) | 1985 | 7" | ≡ |
| Iron Maiden | Running Free | 1985 | 12" | |
| Iron Maiden | Running Free (Live) | 1985 | 7" | ≡ |
| Iron Maiden | Somewhere In Time | 1986 | CD | |
| Iron Maiden | Somewhere In Time | 1986 | LP | |
| Iron Maiden | Somewhere In Time | 1986 | MC | |
| Iron Maiden | Stranger In A Strange Land | 1986 | 7" | ≡ |
| Iron Maiden | Wasted Years | 1986 | 12" | |
| Iron Maiden | Wasted Years | 1986 | 7" | ≡ |
| Iron Maiden | 12 Wasted Years | 1987 | VHS | |
| Iron Maiden | Can I Play With Madness | 1988 | 12" | |
| Iron Maiden | Can I Play With Madness | 1988 | 7" | ≡ |
| Iron Maiden | Seventh Son Of A Seventh Son | 1988 | LP | |
| Iron Maiden | Seventh Son Of A Seventh Son | 1988 | MC | |
| Iron Maiden | Seventh Son Of A Seventh Son | 1988 | CD | |
| Iron Maiden | Seventh Son Of A Seventh Son | 1988 | CD | ≡ |
| Iron Maiden | The Clairvoyant | 1988 | 12" | ≡ |
| Iron Maiden | The Clairvoyant | 1988 | 7" | ≡ |
| Iron Maiden | The Evil That Men Do | 1988 | 7" | ≡ |
| Iron Maiden | The Evil That Men Do | 1988 | 7" | ≡ |
| Iron Maiden | Infinite Dreams (Live) | 1989 | 7" | ≡ |
| Iron Maiden | Bring Your Daughter...To The Slaughter | 1990 | 12" | |
| Iron Maiden | Bring Your Daughter...To The Slaughter | 1990 | 7" | ≡ |
| Iron Maiden | First 10 Years | 1990 | VHS | |
| Iron Maiden | No Prayer For The Dying | 1990 | LP | |
| Iron Maiden | No Prayer For The Dying | 1990 | CD | |
| Iron Maiden | No Prayer For The Dying | 1990 | MC | |
| Iron Maiden | Run To The Hills - The Number Of The Beast | 1990 | 12" | ≡ |
| Iron Maiden | Running Free - Sanctuary | 1990 | CD | ≡ |
| Iron Maiden | Wasted Years - Stranger In A Strange Land | 1990 | CD | ≡ |
| Iron Maiden | Wasted Years - Stranger In A Strange Land | 1990 | 12" | ≡ |
| Iron Maiden | Be Quick Or Be Dead | 1992 | 12" | ≡ |
| Iron Maiden | Fear Of The Dark | 1992 | CD | ≡ |
| Iron Maiden | Fear Of The Dark | 1992 | CD | |
| Iron Maiden | Fear Of The Dark | 1992 | MC | |
| Iron Maiden | A Real Live One | 1993 | CD | |
| Iron Maiden | Live At Donington | 1993 | 2CD | |
| Iron Maiden | A Real Dead One | 1995 | CD | ≡ |
| Iron Maiden | The X Factor | 1995 | CD | |
| Iron Maiden | Best Of The Beast | 1996 | CD | |
| Iron Maiden | A Real Live Dead One | 1998 | 2CD | |
| Iron Maiden | The Angel & The Gambler | 1998 | CDS | ≡ |
| Iron Maiden | Virtual XI | 1998 | CD | |
| Iron Maiden | Ed Hunter | 1999 | 3CD | ≡ |
| Iron Maiden | Brave New World | 2000 | CD | |
| Iron Maiden | Maiden Dynamo | 2000 | 2CD | |
| Iron Maiden | Out Of The Silent Planet | 2000 | 7" | ≡ |
| Iron Maiden | Out Of The Silent Planet | 2000 | CDEP | |
| Iron Maiden | The Wicker Man | 2000 | CDS | |
| Iron Maiden | Music World Compilation | 2001 | CD | |
| Iron Maiden | Edward The Great | 2002 | CD | |
| Iron Maiden | Rock In Rio | 2002 | 2CD | |
| Iron Maiden | Rock In Rio | 2002 | 2DVD | |
| Iron Maiden | Run To The Hills | 2002 | CDEP | |
| Iron Maiden | Run To The Hills | 2002 | 7" | ≡ |
| Iron Maiden | Dance Of Death | 2003 | CD | |
| Iron Maiden | Visions Of The Beast | 2003 | 2DVD | |
| Iron Maiden | Wildest Dreams | 2003 | CDEP | ≡ |
| Iron Maiden | The Early Days | 2004 | 2DVD | |
| Iron Maiden | Death On The Road | 2005 | 2CD | |
| Iron Maiden | Invasion Of Rarities Part II | 2005 | LP | |
| Iron Maiden | The Number Of The Beast | 2005 | CDEP | |
| Iron Maiden | The Trooper | 2005 | CDEP | |
| Iron Maiden | The Trooper | 2005 | CDS | ≡ |
| Iron Maiden | A Matter Of Life And Death | 2006 | CD | |
| Iron Maiden | A Matter Of Life And Death | 2006 | CD+DVD | |
| Iron Maiden | Different World | 2006 | CDS | |
| Iron Maiden | Death On The Road | 2007 | 2DVD | ≡ |
| Iron Maiden | Flight 666 | 2009 | 2DVD | |
| Iron Maiden | Flight 666 | 2009 | 2CD | |
| Iron Maiden | The Final Frontier | 2010 | CD | |
| Iron Maiden | British Metal | 2011 | 4DVD | ≡ |
| Iron Maiden | From Fear To Eternity-The Best Of 1990-2010 | 2011 | 2CD | |
| Iron Maiden | En Vivo | 2012 | 2CD | |
| Iron Maiden | En Vivo! | 2012 | 2DVD | |
| Iron Maiden | The Future Has Come To Pass | 2012 | 2DVD | |
| Iron Maiden | Maiden England ´88 | 2013 | 2LP | ≡ |
| Iron Maiden | Maiden England ´88 | 2013 | 2DVD | |
| Iron Maiden | Maiden Tokyo 1981 | 2014 | CD | |
| Iron Maiden | The Book Of Souls | 2015 | 2CD | ≡ |
| Iron Maiden | The Book Of Souls: Live Chapter | 2017 | 2CD | |
| Iron Maiden | Legacy Of The Beast | 2020 | 2CD | |
| Iron Maiden | Senjutsu | 2021 | 2CD | ≡ |
| Iron Savior | Interlude | 1999 | CD | |
| Iron Savior | Megatropolis | 2007 | CD | ≡ |
| Ironcross | Bloodhounds | 1982 | CD | ≡ |
| Ironcross | Steel Warrior | 1984 | LP | |
| Ironcross | Steel Warrior | 1984 | MC | |
| Ironcross | Too Hot To Rock | 1987 | LP | |
| Ironica | Consequenses | 2007 | CD | |
| Ironica | Vivere | 2009 | CD | |
| Ironware | Break Out | 2003 | CD | |
| Isaak Chris | San Francisco Days | 1993 | MC | |
| Isengard | Vinterskugge | 1994 | CD | |
| Isole | Bliss Of Solitude | 2008 | CD | |
| Isole | Silent Ruins | 2009 | CD | ≡ |
| Isole | Born From Shadows | 2011 | CD | |
| Isole Vs. Semlah | The Punished/Black Flame | 2010 | 7" | ≡ |
| Isänmaa | Yli Peltojen, Vetten Ja Tunturien | 2009 | 7" | |
| Isäntä Meidän | Vereen Piirretty Viiva | 2009 | CD | |
| Isäntä Meidän | Isän Poika | 2010 | CDS | |
| Ivory Tower | Beyond The Stars | 2000 | CD | |
