| Kaamos | Lucifer Rising | | – | LP | |
| Kaamos | Lucifer Rising | | – | CD | |
| Kaamos | Scales of Leviathan | | – | LP | |
| Kadotus | Twilight Rituals | | 2006 | MC | |
| Kadotus | Twilight's Depths | | 2006 | CD | |
| Kadotus | Vaienneet Temppelit | | 2011 | CD | |
| Kaevum | Nordnorsk Hatmusikk | | 2010 | MC | |
| Kaevum | Natur | | 2012 | LP | |
| Kaevum | Cosmos Erwache | | 2013 | CD | |
| Kahlkopf | Der Metzger | | 1987 | LP | |
| Kai Freikorps | Heil Odin! | | 2013 | LP | |
| Kaipa | Sattyg | | 2014 | 2LP | ≡ |
| Kalevala | People No Names | | 2014 | LP | |
| Kali Yuga Noise | Degeneration Of Our Species | | 2016 | MC | |
| Kalmankantaja | Muinainen | | 2017 | LP | |
| Kalmankantaja | Musta Lampi | | 2017 | LP | |
| Kalmankantaja | Tyhjyys | | 2017 | LP | |
| Kansas | Leftovertune | | – | LP | |
| Kansas | Point Of Know Return | | 1977 | LP | |
| Kaos Sacramentum | Avgrundens Konst | | 2014 | CD | |
| Kaos Sacramentum | Bloodcurse Stigmata | | 2014 | CD | |
| Kaos Sacramentum | Scars Of Revelation | | 2014 | CD | |
| Kaosritual | Svopt Morgenrod | | – | MC | |
| Kaosritval | Svøpt Morgenrød | | 2008 | CD | |
| Karnarium | Karnarium | | 2008 | LP | |
| Karnarium / Defiler split | Karnarium / Defiler split | | 2009 | 7" | |
| Kaseva | Kun Maailma Elää | | 1976 | LP | |
| Kassu Halonen | Strangers In The Night/Blood On The Streets | | – | 7" | |
| Katafalk | Storm of The Horde | | – | CD | |
| Katatonia | Brave Murder Day | | – | CD | |
| Katatonia | Great Cold Distance | | – | CD | |
| Katatonia | Last Fair Deal Gone Down | | – | CD | |
| Katatonia | Viva Emptiness | | – | CD | |
| Katatonia | Live Consternation | | 2007 | CD+DVD | |
| Katatonia | Night Is the New Day | | 2009 | CD | |
| Katatonia | For Funerals To Come... | | 2011 | LP | |
| Kataxu | Hunger Of Elements | | 2005 | CD | |
| Kataxu | Roots Thunder | | 2012 | MC | |
| Kataxu | Hunger Of Elements | | 2014 | LP | |
| Kate Bush | Lionheart | | 1978 | LP | |
| Kate Bush | The Dreaming | | 1982 | LP | |
| Katharsis | 666 | | – | MC | |
| Katharsis | Terror, Storm and Darkest Arts | | – | MC | |
| Katharsis | VVorldVVithoutEnd | | – | MC | |
| Katharsis | 666 | | 2004 | CD | ≡ |
| Katharsis | Fourth Reich | | 2009 | LP | |
| Katharsis | Fourth Reich | | 2009 | MC | |
| Katharsis | Kruzifixxion | | 2009 | LP | ≡ |
| Katharsis | VVorldVVithoutEnd | | 2009 | LP | ≡ |
| Katharsis / Antaeus split | Katharsis / Antaeus split | | 2009 | 7" | |
| Katharsis/Moonblood split | Katharsis/Moonblood split | | – | 7" | |
| Katharsis/Nhaavah split | Determination Detestation Devastation | | – | 7" | |
| Katharsis/S.v.e.s.t/Black Witchery/Warloghe split | Black Metal Endsieg I | | 2001 | 7" | |
| Kawir | Arai | | – | CD | |
| Kawir | Epoptia | | 2004 | CD | |
| Kawir | Προς Κάβειρ | | 2013 | CD | |
| Ke/Hil | Hellstation | | 2011 | LP | |
| Ke/Hil | Zone 0 | | 2015 | LP | |
| Ke/Hil | LifeDeKay | | 2016 | MC | |
| Kein Leben ohne Kampf | S/T | | 2015 | CD | |
| Ken Mclellan's | Accoustic Reflections | | – | CD | |
| Kenny & The Lovecult | A Black Dog Memorial Congregation 7" | | 2017 | 7" | |
| Kenny And The Lovecult | A Black Dog Memorial Gongregation | | 2017 | 7" | |
| Kerasphorus | Cloven Hooves At the Holocaust Dawn | | 2010 | 10" | |
| Kerasphorus | Necronaut | | 2011 | 12" | |
| Kêres | In Impenetrable Darkness | | 2012 | MC | |
| Kêres | Black for blood | | 2014 | MC | |
| Kêres | Eternal Wake | | 2014 | LP | |
| Kêres | On virgin wasteland | | 2014 | MC | |
| Kêres | Sacred reed | | 2014 | MC | |
| Kêres | About The Fire | | 2017 | 7" | |
| Keretik | Terra Mater | | 2017 | LP | |
| Kermania | Ahnenwerk | | 2010 | LP | |
| Kermania | Ahnenwerk | | 2010 | CD | |
| Ketzer | Satan's Boundaries Unchained | | 2010 | CD | |
| Ketzer | Satan's Boundaries Unchained | | 2013 | LP | |
| Khid | Ohi | | 2016 | MC | |
| Khors | The Flame Of Eternity's Decline | | 2005 | CD | |
| Khors | Return To Abandoned | | 2010 | CD | |
| Khors | Wisdom Of Centuries | | 2012 | CD | |
| Khors | Mysticism | | 2014 | CD | |
| Khors | І Ніч Схиля | | 2015 | LP | |
| Khors | Cold | | 2015 | CD | |
| Kiira | Taottu Mustassa Tulessa | | 2018 | LP | |
| Kiira | Tulkoon Yö / Talviyö | | 2018 | LP | |
| Kill | Inverted Funeral | | 2007 | LP | |
| Kill Baby Kill | A Prophet Returns... | | 2008 | CD | |
| Kill Baby Kill | Law & Order | | 2009 | CD | |
| Kill Baby Kill | Give It Back Again! | | 2010 | CD | |
| Kill Baby Kill | Crazy Lil Thing | | 2017 | 7" | |
| Kill Baby Kill! | Product Of Society | | 2014 | LP | |
| Kill Baby Kill! | Give Back The Oi!... | | 2016 | LP | |
| Kill Baby Kill/English Rose split | Good Night Left Side! | | 2006 | CD | |
| Kill Baby Kill/Gits split | From The East To The West | | 2009 | CD | |
| Killswitch Engage | Alive or Just Breathing | | – | CD | ≡ |
| Killswitch Engage | As Daylight Dies | | – | CD | |
| Killswitch Engage | The End of Heartache | | – | CD | |
| Killswitch Engage | S/T | | 2009 | CD+DVD | |
| King Crimson | In the Court of the Crimson King | | – | CD | |
| King Crimson | In The Court Of the Crimson King | | 1969 | LP | |
| King Crimson | Lizard | | 1970 | LP | |
| King Crimson | Islands | | 1971 | LP | |
| King Crimson | Red | | 1974 | LP | |
| King Crimson | In The Wake Of Poseidon | | 1977 | LP | |
| King Crimson | Starless And Bible Black | | 1977 | LP | |
| King Crimson | Larks' Tongues In Aspic | | 1980 | LP | |
| King Crimson | Dicipline | | 1981 | LP | |
| King Diamond | Abigail | | – | LP | |
| King Diamond | Abigail II | | – | LP | |
| King Diamond | Conspiracy | | – | CD | |
| King Diamond | Conspiracy | | – | LP | |
| King Diamond | Fatal Portrait | | – | CD | |
| King Diamond | Fatal Portrait | | – | LP | |
| King Diamond | Give Me Your Soul...Please | | – | LP | |
| King Diamond | House Of God | | – | CD | |
| King Diamond | House Of God | | – | LP | |
| King Diamond | The Eye | | – | CD | |
| King DIamond | The Graveyard | | – | CD | |
| King Diamond | The Spiders Lullabye | | – | LP | |
| King Diamond | The Spider's Lullabye | | – | CD | |
| King Diamond | Them | | – | CD | |
| King Diamond | Them | | – | LP | |
| King Diamond | Voodoo | | – | CD | |
| King Diamond | Voodoo | | – | LP | |
| King Diamond | No Presents for Christmas | | 1985 | 12" | |
| King Diamond | The Family Ghost | | 1987 | 12" | |
| King Diamond | In Concert '87 | | 1990 | LP | |
| King Diamond | The Eye | | 1990 | LP | |
| Kingston Wall | III Tri-Logy | | 1998 | CD | |
| Kingston Wall | I Feel Love | | 2015 | 7" | |
| Kirka | R.O.C.K | | 1986 | LP | |
| Kiss | Lick It Up | | – | LP | |
| Kiss | Dressed To Kill | | 1975 | LP | |
| Kiss | Love Gun | | 1977 | LP | |
| Kitano | From The Full Moon Story | | 1979 | LP | |
| Knokkelklang | Kalk & Aske | | 2008 | MC | |
| Kohort | Christian Masquerade | | 2014 | LP | |
| Kolovrat | Эра Правой | | 2002 | CD | |
| Kolovrat | Hail Russia! | | 2005 | CD | |
| Kolovrat | Bruderkrieg | | 2016 | CD | |
| Kommando Freisler | Geheime Reichssache | | 2003 | CD | |
| Kommando Freisler | Geheime Reichssache | | 2017 | LP | |
| Kommando Skin | Trotz Allem Heiter | | 2009 | CD | |
| Konkwista 88 | S/T | | 2014 | CD | |
| Korpisota | Kunnian Tie | | 2016 | MC | |
| Korpisota | Todellisuus Jonka Kohtasit | | 2017 | MC | |
| Koufar | Purity Of The Cedars | | 2010 | CD | |
| Koufar | The Death of Myself | | 2010 | MC | |
| Koufar/Skin Graft split | Revelation: This Country Is Mine | | 2011 | MC | |
| Kraftschlag | Reinheit Verpflichtet | | 2007 | CD | |
| Kreator | Coma of Souls | | – | CD | |
| Kreator | Endless Pain | | – | LP | ≡ |
| Kreator | Enemy of God - Revisited | | – | CD+DVD | |
| Kreator | Extreme Aggressions | | – | CD | |
| Kreator | Live Kreation - Revisioned Glory | | – | DVD | |
| Kreator | Pleasure to Kill | | – | CD | |
| Kreator | Pleasure To Kill | | – | LP | |
| Kreator | Terrible Certainty | | – | LP | ≡ |
| Kreator | Violent Revolution | | – | CD | |
| Kreator | Coma Of Souls | | 1990 | LP | |
| Kriegsmaschine | Altered States Of Divinity | | 2005 | CD | |
| Kriegsmaschine | Enemy Of Man | | 2014 | LP | |
| Krisiun | Ageless Venomous | | – | CD | |
| Krisiun | AssasiNation | | – | CD | |
| Krisiun | Bloodshed | | – | CD | |
| Kristallnach | Blooddrenched Memorial 1994 - 2002 | | 2006 | 2LP | |
| Kristallnacht | Creation Through Destruction | | 2002 | MC | |
| Kristallnacht | Blooddrenched Memorial 1994 - 2002 | | 2006 | CD | |
| Kristallnacht | Warspirit | | 2013 | CD | |
| Kristallnacht | Warspirit | | 2013 | CD | |
| Kristallnacht/Blessed In Sin/Seigneur Voland split | Gathered Under The Banner Of Concilium | | 2002 | CD | |
| Kroda | Fimbulvinter | | 2007 | MC | |
| Kroda | Schwarzpfad | | 2011 | CD | |
| Kroda | Schwarzpfad | | 2014 | 2LP | |
| Krypts | S/T | | 2011 | 7" | |
| Kube X Eevil Stöö | Pomo Sapiens | | 2018 | 12" | |
| Kult | Winds Of War | | 2006 | CD | |
| Kult | Winds Of War | | 2006 | CD | |
| Kulturkampf | March Through Eternity | | 2012 | MC | |
| Kulturkampf | White Pillars | | 2013 | MC | |
| Kulturkampf | Conqueror Genesis | | 2017 | MC | |
| Kulturkampf/Intolerant split | Ride The Tiger/Totalitarian Blood | | 2016 | MC | |
| Kusipää | Vittuun Koko Maailma | | 2016 | 7" | |
| Kyuss | Welcome To Sky Valley | | 2008 | LP | |
