| Artist | Album | Record Label | Released | Added To List | |
| Uberbyte | [Promo] | [Self-Released] | 2007 | 3/3/2007 | Request |
| Uberbyte | SIC | Crunch Pod | 2008 | 9/3/2008 | Request |
| UCNX | Generation Damaged | DSBP | 2011 | 11/27/2011 | Request |
| Ultraviolet | A Sea of Purity | A Different Drum | 2005 | 2/11/2007 | Request |
| Ultraviolet | Dos | A Different Drum | 2007 | 5/18/2009 | Request |
| UMNEMENTO | www.umnemento.com | [Self-Released] | 2002 | 1/1/2005 | Request |
| Unavox | Angels Dance Upwards EP | New Army Studios | 2005 | 9/8/2005 | Request |
| Unavox | Angels Dance Upward | New Army Studios | 2006 | 9/19/2006 | Request |
| Underworld | 1992-2002 | JBO | 2003 | 1/29/2007 | Request |
| Unhielig | Sage Ja! | Bloodline | 2001 | 1/1/2005 | Request |
| Unit:187 | Capital Punishment | Cop Int'l | 2003 | 1/1/2005 | Request |
| Unter Null | Sick Fuck | Alfa Matrix | 2005 | 9/19/2005 | Request |
| Unwoman | Uncovered | [Self-Released] | 2011 | 11/27/2011 | Request |
| Urceus Exit | Contra | Artoffact Records | 2005 | 11/23/2005 | Request |
| Urceus Exit | Contra - Bonus Tracks + Remixes | Artoffact Records | 2006 | 11/19/2006 | Request |
| Urceus Exit | Metro [Bonus Tracks + Remixes] | Artoffact Records | 2006 | 9/19/2006 | Request |
| Urceus Exit | Compensation For The Sound Of Silence | Artoffact Records | September 1, 2009 | 9/6/2009 | Request |
| Userwave | The Down Pipe | Xynthetic Netlabel | 2007 | 3/3/2007 | Request |
| UV | Codebreaker | BLC Productions | 2004 | 1/1/2005 | Request |
| UV | Refractions | [Self-Released] | 2003 | 1/1/2005 | Request |