Skladba  | Album  | Interpret | Rok | GS | |
| United future airlines | No Sound Is Too Taboo | United Future Organization | 1994 | GS GS04442 | - |
| United In The Struggle | The Roots Of Trash | Hyades | | GS GS50422 | - |
| Unitl One part 1 | | Swedish House Mafia | | GS GS58649 | - |
| Unity Is Love | | Billy Dice | | GS GS58340 | - |
| Universa | The Archaic Course | Borknagar | 1998 | GS GS15786 | - |
| Universal Fields | Go Space | Leningrad Cowboys | 1996 | GS GS03813 | - |
| Universal Garden | Open Your Eyes | Yes | 1997 | GS GS26555 | - |
| Universal Nation | 100 Hits Trance Anthems | Push | 2009 | GS GS47657 | - |
| Universal Soldier | Universal Soldier | Donovan | 1995 | GS GS18634 | - |
| Universal Wheels | The Official Anthology | Uriah Heep | 2001 | GS GS26580 | - |
| Universal Worship | Sufi Kirtan | HuDost | | GS GS65519 | - |
| Universally Speaking | By The Way | Red Hot Chili Peppers | 2002 | GS GS16590 | - |
| Universally Speaking | | Red Hot Chili Peppers | | GS GS73759 | - |
| Universe | Fantasy | Insania | 2003 | GS GS28337 | - |
| Universe | Shadow of The Red Baron | Iron Mask | | GS GS50437 | - |
| Universe of Light | The Battle | Russell Allen | | GS GS51569 | - |
| University City | Oi!: The Rarities, Vol. 1 | Subculture | | GS GS52855 | - |
| Universum | Hraj víc | Cihelna & spol | | GS GS71980 | - |
| Univerzální slovanština | Monology a dialogy | Lenka Plačková | | GS GS32971 | - |
| Unkle | Rings Around Saturn | Goldie | | GS GS05620 | - |
| Unkle "Main Title Theme" | Psyence Fiction | Unkle | 1998 | GS GS05952 | - |
| Unknown | Trance Europe Express 3 | Resistance D | 1995 | GS GS07083 | - |
| Unknown Caller | No Line On The Horizon | U2 | 2009 | GS GS40325 | - |
| Unknown Number | | Busy Signal | | GS GS56329 | - |
| Unknown Soldier | Anti War - Anarcho Punk Compil | Sanction | | GS GS52120 | - |
| Unland | Triola Im Fünftonraum | Triola | 2004 | GS GS47924 | - |
| Unlovable | Pineapple Sunrise | Beach Weather | 2023 | GS GS77647 | - |
| Uno ! | Tango | Julio Iglesias | 1996 | GS GS26403 | - |
| Uno Nunca Sabe | Mega Latino | Adalberto Alvarez | 2000 | GS GS26448 | - |
| Únor bílý pole sílí | Hurvínkovy večerníčky (podzim-zima) | Spejbl a Hurvínek | 2003 | GS GS65331 | - |
| Únos | Hity, Singly, Rarity | Olympic | 2002 | GS GS63367 | - |
| Unos | | Olympic | | GS GS76665 | - |
| Únos | Obyčajné slová | Tomáš Bezdeda | 2005 | GS GS12482 | - |
| Únos (Retro 4) | Retro 4 - LP 4 | Olympic | 2011 | GS GS57793 | - |
| Únos II. (Retro 4) | Retro 4 - LP 4 | Olympic | 2011 | GS GS57798 | - |
| Unplugged | | DJ Falcon | 1999 | GS GS06329 | - |
| Unquiet Grave | The Collection | Gryphon | 1991 | GS GS25433 | - |
| Unravel | What King of Spectacle | A Dull Set | | GS GS76948 | - |
| Unreachable | | Frankmusik | 2008 | GS GS41935 | - |
| Unreal | Psyence Fiction | Unkle | 1998 | GS GS05303 | - |
| Unreleased Kraut Jazz | Wet Dreams | Get Fucked | 2000 | GS GS07000 | - |
| Unreleased Project 1 | Trance Europe Express | Alaska | | GS GS04507 | - |
| Unrequited | Troublegum | Therapy? | 1994 | GS GS03819 | - |
| Unruh' | Má píseň / Mistral | Karel Gott | 2001 | GS GS35209 | - |
| Unsainted | | Slipknot | | GS GS76028 | - |
| Unsaveable | Cry | Faith Hill | 2009 | GS GS13162 | - |
| Unsent | Supposed Former Infatuation Junkie | Alanis Morissette | 1998 | GS GS01377 | - |
| Unser Lied | BRAVO HITS 94 CD 2 | Cinematic | 1994 | GS GS49890 | - |
| Unspoken | Unspoken | Hurts | 2010 | GS GS48905 | - |
| Unspoken | Unspoken | Mezarkabul | 2002 | GS GS16146 | - |
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