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| U2 | No Line on the Horizon | Rock | |
| U.D.O | Mastercutor | Heavy Metal | |
| Ueickap | Stereotyped | Modern Hard | |
| UFO | Showtime | Hard Rock | |
| UFO | The Monkey Puzzle | Hard Rock | |
| UFO | The Visitor | Hard Rock | |
| UFO | The Best of a Decade | Hard Rock | |
| Ultime Atome | Dark Visions | Prog | |
| Ulver | Wars of the Roses | Dark | |
| Umbra Et Imago | Mea Culpa | Gothic | |
| Umbra Et Imago | Dunkle Energie | Gothic | |
| Umphrey's McGee | Anchor Drops | Jam Band | |
| Umphrey's McGee | Safety in Numbers | Jam Band | |
| Unchained | Unchained | Heavy Metal | |
| Under Radio | Under Radio | Hard Rock | |
| Under Radio | Bad Heir Ways | Prog Metal | |
| Under the Sun | Under the Sun | Prog Metal | |
| Underdogs | Ready to Burn | Stoner | |
| Underfloor | Underfloor | Rock Italiano | |
| Underfloor | Vertigine | Rock Italiano | |
| Underfloor | Solitari Blu | Rock Italiano | |
| Underground Railroad | Moving the Mountain | Hard Rock | |
| U-NI | Samadhi | Space Rock | |
| Unifaun | Unifaun | Prog | |
| United States Of Mind | United States Of Mind | Hard Rock | |
| Unitopia | The Garden | Prog | |
| Unitopia | Artificial | Prog | |
| Universal Totem Orchestra | The Magus | Dark Prog | |
| Univerzals, the | Ocean of Light | Space Rock | |
| Unmade Bed | Loom | Psichedelic | |
| Unmask | Sophia Told Me | Prog Metal | |
| Unòrsominòre | Unòrsominòre | Post Rock | |
| Unto Ashes | Moon Oppose Moon | Gothic | |
| Uomo di Vetro, L' | 38° Parallelo | Port Rock | |
| Uppsala | Uppsala | Prog | |
| Upsilon Acrux | Galapagos Momentum | Punk | |
| Ureas | The Naked Truth | Dark Metal | |
| Uross | 29 Febbraio (Lo Squilibrista) | Rock | |
| Useless Id | The Lost Broken Bones | Emo | |
| Ut Gret | Time of the Grets | new | Prog |
| Ut Gret | Recent Fossils | new | Prog |
| Ut Gret | Radical Symmetry | new | Prog |
| Utopia | Ice and Knives | Prog Metal | |
| Uz Jsme Doma | V Tokiu | Prog |
