1. U.D.O. "Thunderball" (2004)
2. U2 "War" (1983)
3. Ugly Kid Joe "Stairway To Hell" [EP] (2013)
4. Ulcerate "Of Fracture And Failure" (2007)
5. Ultraspank "Ultraspank" (1998)
6. Ultraspank "Progress" (2000)
7. Ulysses Siren "Above The Ashes" [compilation of "Terrorist Attack" EP (1985) and "Demo '87" EP (1987)] (2003)
8. Uncle Slam "Will Work For Food" (1993)
9. Under Eden "The Savage Circle" (2005)
10. United "No IQ" (1996)
11. Unleashed "Where No Life Dwells" (1991) + "...And The Laughter Has Died" [EP] (1991) [compilation 2001]
12. Unleashed "Victory" (1995) [2006 re-release (VII) w/six bonus live tracks recorded in Poland]
13. Unleashed "Warrior" (1997) [2006 re-release (VIII)]
14. Unleashed "Sworn Allegiance" (2004)
15. Unleashed "Viking Raids: The Best of Unleashed: 1991-2004" [compilation] (2008)
16. Unleashed "As Yggdrasil Trembles" (2010)
17. Unleashed "Odalheim" (2012)
18. Unleashed "No Sign Of Life" (2021)
19. Unlord "Lord Of Beneath" (2002)
20. Unsane "Singles 89-92" [compilation] (1993)
21. Upon A Burning Body "The World Is Ours" (2010)
22. Upon A Burning Body "Red. White. Green." (2012)
23. Upon a Burning Body "The World Is My Enemy Now" (2014)
24. Upon a Burning Body "Fury" (2022)
25. Upper Crust, The "Let Them Eat Rock/The Decline" (1995) + "Fall Of The Upper Crust" (1997) [CDR]
26. Urgrund "Unchangeable Fate" (2005)
27. Uriah Heep "Demons And Wizards" (1972)