| Under Contract: Jenteal (DVD) | 04/04/2004 | Rob Randell | |
| Under Contract: Kira Kener (DVD) | 12/14/2003 | Michael Vega | |
| Under Contract: Kobe Tai (DVD) | 11/02/2003 | Rob Randell | |
| Under Contract: Lori Michaels (DVD) | 08/13/2004 | The Dude | |
| Under Contract: Mercedez (DVD) | 07/07/2004 | Michael Vega | |
| Under Contract: Nikki Tyler (DVD) | 01/24/2004 | Disco Dirge | |
| Under Contract: Savanna Samson (DVD) | 05/22/2004 | Chris Knight | |
| Under Contract: Sky (DVD) | 11/15/2003 | Rob Randell | |
| Under Contract: Sunrise Adams (DVD) | 01/02/2004 | Rob Randell | |
| Under Contract: Taylor Hayes (DVD) | 11/29/2003 | Rob Randell | |
| Under Contract: Tia Bella (DVD) | 03/23/2004 | Michael Vega | |
| Under Dressed | 12/06/1999 | LSB |   |
| Under Pimp Arrest (DVD) | 05/06/2005 | astroknight | |
| Under Pimp Arrest (DVD) | 07/31/2005 | picman | |
| Under Pimp Arrest (DVD) | 05/30/2005 | Den | |
| Under Pimp Arrest | 07/17/2005 | Orgazmik | |
| Under Pimp Arrest (DVD) | 08/30/2005 | Perve | |
| Under Pimp Arrest | 08/31/2005 | Perve | |
| Under the Age of ... (DVD) | 04/18/2006 | Den | |
| Under the Age of ... 2 (DVD) | 08/23/2006 | Den | |
| Under the Age of ... 3 (DVD) | 11/17/2006 | Den | |
| Under the Age of... | 07/30/2006 | XXXMovieReview | |
| Under the Age Of... (DVD) | 04/11/2006 | bono-one | |
| Under The Age Of... 2 (DVD) | 08/31/2006 | Peter Rockwell | |
| Under the Age of... 2 | 11/21/2006 | XXXMovieReview | |
| Under The Age Of... 3 (DVD) | 12/14/2006 | Peter Rockwell | |
| Under The Big Top (Sarava) (DVD) | 02/20/2010 | Joe Shaver | |
| Under The Big Top (Sarava) (DVD) | 11/17/2008 | sydguy | |
| Under The Cherry Tree | 10/02/2002 | Roger T. Pipe | |
| Under the Cherry Tree 1 | 11/01/2004 | Den | |
| Under the Cherry Tree 2 | 11/01/2004 | Den | |
| Under The Cherry Tree 2 | 12/11/2000 | Tom Collins | |
| Under the Cherry Tree 3 | 11/01/2004 | Den | |
| Under the Cherry Tree 4 | 11/01/2004 | Den | |
| Under the Cherry Tree 5 | 11/01/2004 | Den | |
| Under The Cherry Tree 5 | 08/19/2002 | Roger T. Pipe | |
| Under the Cherry Tree 6 | 11/01/2004 | Den | |
| Under the Cherry Tree 6 (DVD) | 11/01/2004 | Den | |
| Under The Cherry Tree 6 | 07/09/2001 | LSB | |
| Under The Cherry Tree 6 | 10/29/2001 | Tom Collins | |
| Under the Covers (DVD) | 03/13/2007 | Den | |
| Under the Cum Cum Tree | 11/14/1996 | Den | |
| Under the Influence | 11/09/2006 | XXXMovieReview | |
| Under The Pink | 09/21/1996 | Beast (the 1st) | |
| Undercover | 06/15/1998 | Jamal Dunbar | |
| Undercover Desires | 11/01/2004 | Den | |
| Undercover Hung Black Lovers 1 (DVD) | 01/01/2011 | Den | |
| Undercover Lover (DVD) | 09/03/2010 | JLB-Videotramp | |
| Undercover Operations: Special Agent 69 (DVD) | 02/24/2004 | Tongue in Groove | |
| Undercover Operations: Special Agent 69 (DVD) | 07/04/2004 | Jacob | |
| Undercover Operations: Special Agent 69 (DVD) | 10/19/2004 | cristabel | |
| Undercover Stripper (DVD) | 03/05/2003 | Ranger Rick | |
| Undercover Stripper 2 (DVD) | 03/14/2003 | The Big Dick | |
| Undercover Stripper 3 (DVD) | 05/19/2003 | Ack Ack Chewahwah | |
| Undercover Younger Lovers 1 (DVD) | 10/17/2009 | Den | |
| Undergear (DVD) | 02/20/2010 | Joe Shaver | |
| Underground, Part 2 | 09/16/1996 | Scribbler | |
| Understudy | 11/01/2004 | Den | |
| Undertow (DVD) | 02/28/2005 | Tongue in Groove | |
| Undertow (DVD) | 11/01/2004 | Den | |
| Undertow (DVD) | 04/15/2005 | Ack Ack Chewahwah | |
| Undertow (DVD) | 01/28/2005 | Brian Nicholson | |
| Underworld | 04/17/2001 | astroknight | |
| Underworld (DVD) | 05/04/2007 | classix comment | |
| Underworld | 04/10/2001 | LSB | |
| Underworld (Harmony) (DVD) | 11/18/2008 | Big Raider Fan | |
| Underworld (Sin City) (DVD) | 04/17/2001 | astroknight | |
| Undiscovered Cuntry (DVD) | 09/02/2011 | dandaman | |
| Undiscovered Cuntry (DVD) | 09/02/2011 | T0MBOne | |
| Undiscovered Cuntry | 11/10/2011 | WCA Reviews | |
| Undiscovered Cuntry (DVD) | 08/07/2011 | Apache Warrior | |
| Undiscovered Depths (DVD) | 06/26/2005 | Colonel Mustard | |
| Undress Me (DVD) | 06/23/2009 | Don Houston | |
| Undress Me (DVD) | 06/23/2009 | Don Houston | |
| Undressed and Oversexed (DVD) | 01/26/2005 | Linus | |
| Undressed and Oversexed (DVD) | 07/06/2005 | pwing | |
| Undressed and Oversexed (DVD) | 08/15/2011 | DEELINGAMDEEPAYONI | |
| Undressed and Oversexed (DVD) | 03/02/2005 | Den | |
| Undressed And Oversexed (DVD) | 02/17/2005 | PornReviewGuy | |
| Undressed and Oversexed (DVD) | 12/16/2004 | The Mooninite | |
| Undressed Rehearsals Part 1 (DVD) | 11/04/2007 | Guybrush | |
| Undressed Rehearsals Part 2 (DVD) | 11/04/2007 | Guybrush | |
| Undressed to Impress | 01/29/2010 | Den | |
| Undulations (DVD) | 04/16/2009 | The Mooninite | |
| Unfaithful Secrets (DVD) | 01/10/2007 | JMR | |
| Unfaithful Secrets | 02/07/2006 | WCA Reviews | |
| Unfaithful Secrets (DVD) | 02/01/2006 | Don Houston | |
| Unfinished (DVD) | 11/09/2004 | Rob Randell | |
| Unfinished Business (DVD) | 08/27/2011 | astroknight | |
| Unfinished Business (DVD) | 08/01/2011 | Sean DPS | |
| Unforgettable (DVD) | 12/28/2003 | Don Houston | |
| Unforgettable (DVD) | 05/11/2003 | astroknight | |
| Unforgettable (DVD) | 01/01/2003 | Mister Melanin | |
| Unforgivable | 01/17/2000 | Frederick Bernard | |
| Unfound Item (DVD) | 03/28/2004 | Harry Peters | |
| Uniform Babes (DVD) | 09/15/2004 | bono-one | |
| Uniform Babes (DVD) | 10/13/2004 | astroknight | |
| Uniform Babes (DVD) | 09/27/2004 | J.R. | |
| Uniform Babes (DVD) | 09/06/2004 | morbidthoughts | |
| Uniform Babes (DVD) | 09/15/2005 | Crucifixio Jones | |
