| Year: | Title: | Label: | Medium: | Tracks: |
| |
| KAT, THE GREAT - US - SP/T |
| 1987 | Worship me or Die | Roadracer | cd | 11 |
| 1990 | Beethoven on Speed | Roadracer | m16 | 16 |
| 1998 | Bloody Vivaldi | TPR | cd | 04 |
| 2001 | Rossini's Rape | TPR | cd | 04 |
| |
| KATAGORY V - US - PROG/HM |
| 2007 | Hymns of Dissention | Nightmare Records | cd | 11 |
| |
| KATLA. - IS - Atmospheric R/HM/B/Folk |
| 2017 | Móđurástin | Prophecy | cd | 08 |
| |
| KEEN OF THE CROW - US - DO |
| 2007 | Hyborea (promo) | Grau | cd | 11 |
| |
| KENOS - I - DT |
| 2007 | The Craving | Lucretia | cd | 10 |
| |
| KILLFACE - EIRE - DT |
| 2013 | Feeding the Dead | None | cd | 09 |
| |
| KILLING GANDHI - DK - MeloD |
| 2015 | Cinematic Parallels | Crime Records | cd | 16 |
| |
| KILLING JOKE - UK - HM |
| 1990 | Extremities, Dirt and Various.... | AGR | cd | 10 |
| 1994 | Pandemonium | BMG | cd | 10 |
| |
| KING DIAMOND - DK/US/S |
| 1985 | No Presents for Christmas | Roadracer | maxi | 02 |
| 1986 | Fatal Portrait | Roadrunner | cd | 11 |
| 1987 | Abigail | Roadrunner | cd | 13 |
| 1988 | Them | Roadrunner | cd | 12 |
| 1988 | The Dark Sides | Roadrunner | cd | 06 |
| 1989 | Conspiracy | Roadrunner | cd | 12 |
| 1989 | Conspiracy | Roadrunner | pic.lp | 10 |
| 1990 | The Eye | Roadrunner | cd | 11 |
| 1990 | Satanic Rites - Bonn, 13.2.90 | bootleg | m26 | 10 |
| 1991 | In Concert 1987 - Abigail | Roadrunner | cd | 12 |
| 1995 | The Spider´s Lullabye | Massacre | cd | 10 |
| 1996 | The Graveyard | Massacre | cd | 14 |
| 1998 | Voodoo | Massacre | cd | 14 |
| 2000 | House of God | Massacre | cd | 13 |
| 2002 | Abigail II - The Revenge | Metal Blade | cd | 13 |
| 2003 | The Puppet Master + DVD | Massacre | cd | 12 |
| 2004 | Deadly Lullabies - Live | Massacre | 2cd | 20 |
| 2005 | Abigail + DVD | Roadrunner | cd | 13 |
| 2007 | Give Me Your Soul...Please | Massacre | cd | 13 |
| |
| KING´S X - US - New AgeHM |
| 1988 | Out of the Silent Planet | Atlantic | cd | 10 |
| 1989 | Gretchen goes to Nebraska | Megaforce | cd | 12 |
| 1990 | Faith Hope Love | Atlantic | cd | 13 |
| 1992 | King´s X | Atlantic | lp | 12 |
| 1994 | Dogman | Atlantic | cd | 14 |
| 1996 | Ear Candy | Atlantic | cd | 13 |
| 1998 | Tape Head | Metal Blade | cd | 13 |
| 2000 | Welcome Home...Mr. Bulbous | Metal Blade | cd | 10 |
| 2004 | Live All Over the Place | InsideOut | dcd | 25 |
| 2006 | Ogre Tones (promo) | InsideOut | cd | 13 |
| 2008 | XV (promo) | InsideOut | cd | 14 |
| 2022 | Three Sides of One | InsideOut | cd | 12 |
| |
| KISS - US - HR |
| 1994 | Kiss My Ass (Tribute) | Polygram | cd | 12 |
| 2003 | Creatures of the Night (A Tribute to) | Nuclear Blast | cd | 14 |
| |
| KLICHE - DK - P |
| 1980 | Supertanker | Medley | cd | 09 |
| 1982 | Okay Okay Boys | Medley | cd | 10 |
| |
| KOBRA AND THE LOTUS - CAN - HM |
| 2017 | Prevail I | Napalm | cd | 10 |
| 2018 | Prevail II | Napalm | cd | 12 |
| 2019 | Evolution | Napalm | cd | 11 |
| |
| KONKHRA - DK - D |
| 1990 | The Vicious Circle | demo | mc | 04 |
| 1991 | Malgrowth | demo | mc | 05 |
| 1992 | Stranded | Progress | cd | 06 |
| 1993 | Sexual Affective Disorder | Progress | cd | 10 |
| 1994 | Spit or Swallow | Progress | cd | 10 |
| 1994 | The Facelift ep | Progress | cd | 04 |
| 1996 | Live Eraser | Diehard | cd | 11 |
| 1997 | Weed out the Week | Diehard | cd | 11 |
| 1999 | The Freakshow EP | Diehard | cd | 05 |
| 1999 | Come Down Cold | Diehard | cd | 12 |
| 2002 | Reality Check | ChopShop | cd | 12 |
| 2009 | Nothing Is Sacred | ChopShop | cd | 11 |
| |
| KORN - US - JumpHM |
| 1994 | KoRn | Epic | cd | 12 |
| 1996 | Life is Peachy | Epic | cd | 14 |
| 1998 | Follow the Leader | Epic | cd | 13 |
| 1999 | Issues | Epic | cd | 16 |
| 2002 | Untouchables | Epic | cd | 14 |
| 2003 | Take a Look in the Mirror | Epic | cd | 14 |
| 2005 | See You On the Other Side | Virgin | cd | 14 |
| 2007 | Untitled | Virgin | cd | 13 |
| 2011 | The Path of Totality | Roadrunner | cd | 11 |
| |
| KOTTAK - US - HR |
| 2011 | Attack | SAOL | cd | 10 |
| |
| KOVENANT - N - BM |
| 1999 | Animatronic | Nuclear Blast | cd | 10 |
| |
| KRAVITZ, LENNY - US - R |
| 1993 | Are you gonna go my Way | Virgin | cd | 11 |
| |
| KREATOR - D - T |
| 1985 | Endless Pain | Noise | lp | 10 |
| 1987 | Terrible Certainty (remaster) | Noise | cd | 13 |
| 1988 | Pleasure to Kill (1986) + Flag of Hate | Noise | cd | 12 |
| 1989 | Extreme Aggression | Noise | cd | 09 |
| 1990 | Coma of Souls | Noise | cd | 10 |
| 1992 | Renewal | Noise | cd | 09 |
| 1995 | Cause for Conflict | Gun | cd | 12 |
| 1996 | Scenarios of Violence | Noise | cd | 16 |
| 1997 | Outcast | BMG | cd | 13 |
| 1999 | Endorama | Drakkar | cd | 12 |
| 2000 | Past Life Trauma | Noise | cd | 18 |
| 2001 | Violent Revolution | Steamhammer | cd | 12 |
| 2003 | Live Kreation | Steamhammer | dcd | 24 |
| 2009 | Hordes of Chaos + DVD | Steamhammer | cd | 10 |
| 2010 | Terror Prevails - Live at Rock Hard Festival | Rock Hard | cd | 09 |
| 2012 | Phantom Antichrist + DVD | Nuclear Blast | cd | 10 |
| 2017 | Gods of Violence + DVD | Nuclear Blast | cd | 11 |
| |
| KRUPPS, DIE - D/US - IND/T
|
| 1993 | A Tribute to Metallica | Rough Trade | cd | 05 |
| 1993 | The Final Option | Rough Trade | cd | 11 |
| 1995 | III Odyssey of the Mind | Rough Trade | cd | 10 |
| 1997 | Paradise Now | MFN | cd | 13 |
| 1997 | Rise Up | MFN | cd | 03 |
| 1997 | Metalmorphosis of Die Krupps '81-'92 | Cleopatra | cd | 15 |
