| U.D.O. | Animal House | 1987 | CD | |
| U.D.O. | Mean Machine | 1989 | CD | |
| U.D.O. | Faceless World | 1990 | CD | |
| U.D.O. | Timebomb | 1991 | CD | |
| U.D.O. | Solid | 1997 | CD | |
| U.D.O. | No Limits | 1998 | CD | |
| U.D.O. | Holy | 1999 | CD | |
| U.D.O. | Man and Machine | 2002 | CD | |
| U.D.O. | Thunderball | 2004 | CD | |
| U.D.O. | Mission No. X | 2005 | CD | |
| U.D.O. | Mastercutor | 2007 | CD | |
| U.D.O. | Dominator | 2009 | CD | |
| U.D.O. | Rev-Raptor | 2011 | CD | |
| U.D.O. | Steelhammer | 2013 | CD | |
| U.D.O. | Decadent | 2015 | CD | |
| U.D.O. | Live - Back to the Roots | 2016 | 2CD | |
| U.D.O. | Steelfactory | 2018 | CD | |
| U.D.O. | Game Over | 2021 | CD | |
| U.D.O. | My Way | 2022 | CD | |
| U.D.O. | Touchdown | 2023 | CD+DVD | |
| U.D.O. / Das Musikkorps der Bundeswehr | We Are One | 2020 | CD+DVD | |
| U.S. Christmas | Run Thick In The Night | 2010 | CD | |
| Ufomammut | Lucifer Songs | 2005 | CD+DVD | |
| Ufomammut | Supernaturals: Record One | 2007 | CD | |
| Ufomammut | Idolum | 2008 | CD | |
| Ufomammut | Eve | 2010 | CD | |
| Ufomammut | Oro: Opus Alter | 2012 | CD | |
| Ufomammut | Oro: Opus Primum | 2012 | CD | |
| Ufomammut | Ecate | 2015 | CD | |
| Ufomammut | 8 | 2017 | CD | |
| Ufomammut | Hidden | 2024 | CD | |
| Ugly Kid Joe | America's Least Wanted | 1992 | CD | |
| Uglystick | Uglystick | 1995 | CD | |
| Ugulishi | Ugulishi | 2007 | CDEP | |
| Uhrilehto | Viimeinen vitutus | 2004 | CD | |
| Uhrilehto | Ihmisvihan eliitti | 2005 | CD | |
| Ulcerate | Of Fracture and Failure | 2007 | CD | |
| Ulcerate | The Destroyers of All | 2011 | CD | |
| Ulcerate | Vermis | 2013 | CD | |
| Ulcerate | Shrines of Paralysis | 2016 | CD | |
| Ulcerate | Stare into Death and Be Still | 2020 | CD | |
| Ulcerate | Cutting the Throat of God | 2024 | CD | |
| Ulsect | Ulsect | 2017 | CD | |
| Ultha | The Inextricable Wandering | 2018 | CD | |
| Ultima Frontiera | Non Ci Sono Più Eroi | 2003 | CD | |
| Ultima Frontiera | Hic Sunt Leones | 2022 | CD | |
| Ultima Ratio | Zurück In Deutschland | 2001 | CD | |
| Ultima Ratio | Brainwash | 2003 | CD | |
| Ultima Ratio | Where Is The Man | 2007 | CD | |
| Ultima Thule | Svea Hjältar | 1991 | CD | |
| Ultima Thule | För Fäderneslandet | 1992 | CD | |
| Ultima Thule | Vikingabalk | 1993 | CD | |
| Ultima Thule | Nu grönskar det | 1994 | CD | |
| Ultima Thule | Lejonet från Norden | 1995 | CD | |
| Ultima Thule | Once Upon A Time... A Collection Of Raven Tales | 1995 | CD | |
| Ultima Thule | Karoliner | 1996 | CD | |
| Ultima Thule | Nu Grönskar Det Igen.../Jukeboxhits | 1997 | 2CD | |
| Ultima Thule | Sverige | 1999 | CD | |
| Ultima Thule | Resa Utan Slut | 2001 | CD | |
| Ultima Thule | Tills Döden Skiljer Oss Åt | 2003 | CD | |
| Ultima Thule | Rötter | 2004 | CD | |
| Ultima Thule | Yggdrasil | 2005 | CD | |
| Ultima Thule | Korpkvädet | 2009 | CD | |
| Ultima Thule | 30 Åriga Kriget | 2012 | CDEP | |
| Ultima Thule | The Best Of Polish Edition Vol.1 | 2014 | CD | |
| Ultima Thule | Trägen vinner | 2015 | CD | |
| Ultima Thule | Fäderneslandet | 2017 | CDEP | |
| Ultima Thule | Vingslag | 2017 | CDEP | |
| Ultima Thule | 1458 | 2018 | CD | |
| Ultima Thule | Charlataner | 2019 | CD | |
| Ultima Thule | I Rikets Tjänst / Tolkar / Landskapslåtar | 2022 | 3CD | |
| Ultima Thule / Hel | Genom Eld Och Aska | 2000 | CD | |
| Ultimatium | New Dawn | 2004 | CD | |
| Ultimatium | Hwainoo | 2008 | CD | |
| UltRACockS | Fuck The NWO | 2025 | CD | |
| Ultralord | We Hate You and Hope You Die | 2006 | CD | |
| UltraMayhem | Jeremiad | 2007 | CD | |
| Ultraspank | Ultraspank | 1998 | CD | |
| Ultraspank | Progress | 2000 | CD | |
| Ulver | Bergtatt - Et Eeventyr i 5 Capitler | 1995 | CD | |
| Ulver | Themes from William Blake's The Marriage of Heaven and Hell | 1998 | 2CD | |
| Ulver | Perdition City | 2000 | CD | |
| Ulver | Wars of the Roses | 2011 | CD | |
| Ulver | Childhood's End | 2012 | CD | |
| Umbra Nihil | Gnoia | 2005 | CD | |
| Umbra Nihil | The Borderland Rituals | 2008 | CD | |
| Unanimated | In the Light of Darkness | 2009 | – | |
| Unanimated | Annihilation | 2018 | CDEP | |
| Unanimated | Victory in Blood | 2021 | CD | |
| Unbelehrbar | Harte Qualen - Starke Schmerzen | 2020 | CD | |
| Unbelehrbar | Tief In Meiner Haut | 2021 | CD | |
| Unbeliebte Jungs | Kämpft Mit Uns | 2008 | CD | |
| Unbeliebte Jungs | Phänomenal | 2009 | CD | |
| Unbeliebte Jungs | Nie Wie Ihr | 2016 | CD | |
| Unbeliebte Jungs | Gegen Das System | 2018 | – | |
| Unbeliebte Jungs | Deutsch Zu Sein Ist Kein Verbrechen | 2020 | CD | |
| Unbeliebte Jungs | Wir Bleiben Stehn! | 2023 | CD | |
| Unbeliebte Jungs | Heimatland | 2024 | CD | |
| Unborn Generation | StraitJacket Dance | 2006 | CD | |
| Unborn Generation | Dead Generation of Men | 2015 | CD | |
| Unborn Generation | Vøid | 2018 | CD | |
| Unborn-SF | Hakkaa päälle pohjan poika!!! | 2007 | CD | |
| Unbound | ...in Infinity | 2000 | CD | |
| Unbounded Terror | Nest of Affliction | 1992 | CD | |
| Uncanny | Splenium for Nyktophobia | 1994 | CD | |
| Uncertainty Principle | Distant | 2004 | CD | |
| Uncle Acid and the Deadbeats | Volume 1 | 2010 | CD | |
| Uncle Acid and the Deadbeats | Blood Lust | 2011 | CD | |
| Uncle Acid and the Deadbeats | Mind Control | 2013 | CD | |
| Uncle Acid and the Deadbeats | The Night Creeper | 2015 | CD | |
| Uncle Acid and the Deadbeats | Wasteland | 2018 | CD | |
| Uncle Acid and the Deadbeats | Nell' ora blu | 2024 | CD | |
| Uncle Slam | Will Work for Food | 1993 | CD | |
| Unconventional Disruption | Flood to Euthanasia | 2013 | – | |
| Uncreation | Return to Chaos | 2008 | – | |
| Undead | False Prophecies | 2015 | CD | |
| Undead Prophecies | Sempiternal Void | 2019 | CD | |
| Undeath | Lesions of a Different Kind | 2020 | CD | |
| Undeath | It's Time...to Rise from the Grave | 2022 | CD | |
| Under the Church | Under the Church | 2014 | CDEP | |
| Under the Church | Rabid Armageddon | 2015 | CD | |
| Under the Church | Supernatural Punishment | 2017 | CD | |
| Under the Flesh | The Theory of Chaos | 2010 | CD | |
| Undercroft | Ruins of Gomorrah | 2012 | – | |
| Undergang | Indhentet af døden | 2010 | CD | |
| Undergang | Døden læger alle sår | 2015 | CD | |
| Underground Moon | Underground Moon | 2001 | CD | |
| Underjord | Sheol | 2014 | CD | |
| Undertow | Milgram | 2006 | CD | |
| Undivine | Into Dust | 2009 | – | |
| Undivine,The | Face the Chaos | 2011 | CD | |
| Undivine,The | Delusional Noise | 2012 | CD | |
| Unearth | The Oncoming Storm | 2004 | CD | |
| Unearth | Our Days of Eulogy | 2005 | CD | |
| Unearth | III: In the Eyes of Fire | 2006 | CD+DVD | |
| Unearth | The March | 2008 | – | |
| Unearthly | The Unearthly | 2014 | CD | |
| Unearthly Trance | Season of Seance, Science of Silence | 2003 | CD | |
| Unearthly Trance | In the Red | 2004 | CD | |
| Unearthly Trance | The Trident | 2006 | CD | |
| Unearthly Trance | Electrocution | 2008 | CD | |
| Unearthly Trance | V | 2010 | CD | |
| Unearthly Trance | Ouroboros | 2014 | 2CD | |
| Unearthly Trance | Stalking the Ghost | 2017 | CD | |
| Unfathomable Ruination | Misshapen Congenital Entropy | 2012 | CD | |
| Unfyros | Alpha Hunt | 2022 | CD | |
| Ungebetene Gäste | Jungs Von Der Strasse | 2014 | CD | |
| Ungebetene Gäste | White Rock'N'Roll X-Mas | 2019 | CDEP | |
| Ungebetene Gäste | Rebellion Von Der Küste | 2022 | CD | |
| Ungern | Shambala | 2008 | CD | |
| Ungern | Steppenwolf | 2014 | CD | |
| Ungrateful.The | New Blood | 1995 | CD | |
| Unguided,The | Hell Frost | 2011 | CD | |
| Unguided,The | Fragile Immortality | 2014 | CD | |
| Unguided,The | Lust and Loathing | 2016 | CD | |
| Unhold | Towering | 2015 | CD | |
| Unholy | From the Shadows | 1993 | CD | |
| Unholy | The Second Ring of Power | 1994 | CD | |
| Unholy | Rapture | 1998 | – | |
| Unholy | Gracefallen | 1999 | CD | |
| Unholy Matrimony | Croire, décroître | 2009 | CD | |
| Unholy,The | As Below So Above | 1998 | CD | |
| Unholy,The | Ash Wednesday | 1999 | CD | |
| Unhoped | Die Harder | 2011 | CD | |
| Unhoped | Nuclear Death | 2013 | CDEP | |
| Unhoped | Total Fucking Death | 2020 | – | |
| Unisonic | Unisonic | 2012 | CD | |
| Unisonic | Light of Dawn | 2014 | CD | |
| Unity,The | The Unity | 2017 | CD | |
| Unkind | Harhakuvat | 2011 | CD | |
| Unknown Decoy | Seeking The Sun | 2019 | CDEP | |
| Unleashed | Midvinterblot | 2006 | CD | |
| Unleashed | Hammer Battalion | 2008 | CD | |
| Unleashed | Immortal Glory 10cd | 2008 | Muu | |
| Unleashed | As Yggdrasil Trembles | 2010 | CD | |
| Unleashed | Odalheim | 2012 | CD | |
| Unleashed | Dawn of the Nine | 2015 | CD | |
| Unleashed | The Hunt for White Christ | 2018 | CD | |
| Unleashed | No Sign of Life | 2021 | CD | |
| Unmoored | Kingdoms of Greed | 2000 | CD | |
| Unmoored | Indefinite Soul-Extension | 2003 | CD | |
| Unpure | Unpure | 1995 | CD | |
| Unravel | Eras of Forfeit | 2018 | CD | |
| Unreal Overflows | Architecture of Incomprehension | 2006 | CD | ≡ |
| Unreal Overflows | False Welfare | 2012 | CD | |
| Unseen Faith | Waver | 2017 | CD | |
| Unshine | Promo 2003 | 2003 | – | |
| Unshine | Earth Magick | 2005 | CD | |
| Unshine | The Enigma of Immortals | 2008 | CD | |
| Unshine | Dark Half Rising | 2013 | CD | |
| Unshine | Astrala | 2018 | CD | |
| Unshine | Karn of Burnings | 2024 | CD | |
| Unsilence | Under a Torn Sky | 2009 | CD | |
| Unsilence | A Fire on the Sea | 2014 | CD | |
| Unsphered | Unsphered | 2009 | – | |
| UnSun | Clinic for Dolls | 2010 | – | |
| Untamed Land | Like Creatures Seeking Their Own Forms | 2021 | CD | |
| Untergrundwehr | Für Dich | 2011 | CD | |
| Unveiled | Anti-God Behavior | 2002 | CD | |
| Upon Shadows | Modern Obscurantism | 2019 | CD | |
| Upside Crown | On the Verge of Oblivion | 2013 | CDEP | ≡ |
| Urarv | Aurum | 2017 | CD | |
| Urarv | Argentum | 2018 | CDEP | |
| Urfaust | Empty Space Meditation | 2016 | CD | |
| Urgehal | Ikonoklast | 2009 | – | |
| Urgrund | The Graven Sign | 2002 | CD | |
| Uriah Heep | Very ’eavy... very ’umble | 1970 | CD | |
| Uriah Heep | Look at Yourself | 1971 | CD | |
| Uriah Heep | Salisbury | 1971 | CD | |
| Uriah Heep | Demons and Wizards | 1972 | CD | |
| Uriah Heep | The Magician’s Birthday | 1972 | CD | |
| Urkraft | The Inhuman Aberration | 2006 | – | |
| Urn | The Burning | 2017 | CD | |
| Urna | Iter ad Lucem | 2009 | – | |
| Ursinne | Arg bara arg | 2019 | CD | |
| Ursinne | På Trampard Mark | 2021 | CD | |
| Urweisse | Urweisse Musik | 2019 | CD | |
| Urweisse | Das Band zu unseren Ahnen | 2022 | CD | |
| Urza | The Omnipresence of Loss | 2019 | CD | |
| User Ne | Nibelum das Uhört | 1999 | CD | |
| User Ne | Tarantos | 2003 | CD | |
| Usipian | Dead Corner of the Eye | 2005 | – | |
| Usnea | Portals into Futility | 2017 | CD | |
| Usurper | Threshold of the Usurper | 1997 | CDEP | |
| Usurper | Necronemesis | 2000 | CD | |
| Usurper | Visions from the Gods | 2000 | – | |
| Usurper | Twilight Dominion | 2003 | CD | |
| Usurper | Cryptobeast | 2005 | CD | |
| Usurper | Lords of the Permafrost | 2019 | CD | |
| Usurpress | Ordained | 2014 | CD | ≡ |
| Usurpress | The Regal Tribe | 2016 | CD | |
| Usurpress | Interregnum | 2018 | CD | |
| Utbyrd | Varskrik | 2017 | CD | |
| Uttervoid | Uttervoid | 2000 | CDEP | |
| Utö | Utö | 2018 | CD | |
| Uwocaust & Handstreich | Die Söhne Potsdams V - 16 Jahre musikalische Freundschaft | 2017 | CD | |
| Uwocaust And The Angry Bois | Das Alte Feuer | 2022 | CDEP | |
| Uwocaust Und Alte Freunde | Blutgruppe | 2012 | CD | |
| Uwocaust Und RAConquista | Uns Leite Einzig Blut Und Treue | 2016 | CD | |
| Uwocaust Und RAConquista | Kaltblütig | 2018 | CD | |
