| Sony PSP UMD |  Innocent Life - A Futuristic Harvest Moon | 2006 | Marvelous Interactive, Inc. |
| Sony PSP UMD | Innocent Life - A Futuristic Harvest Moon Model ULES-00658 | 2007 | Rising Star Games, Ltd. UK |
| Sony PSP UMD | Intelligent License | 2005 | Now Production |
| Sony PSP UMD | Iron Man | 2008 | SEGA of America, Inc. San Francisco, CA, USA |
| Sony PSP UMD | Irregular Hunter X | 2005 | Capcom Co., Ltd. Japan |
| Sony PSP UMD | Jak and Daxter - The Lost Frontier | 2009 | Sony Computer Ent. America SCEA CA, USA |
| Sony PSP UMD | Jeanne d'Arc Model UCUS-98700 | 2007 | Sony Computer Ent. America SCEA CA, USA |
| Sony PSP UMD | Jet de GO! Pocket | 2005 | Taito Corp. Japan |
| Sony PSP UMD | Judie no Atelier - Gramnad no Renkinjutsushi: Toraware no Mamoribito Model ULJM-05607 | 2010 | Gust Japan |
| Sony PSP UMD | Juiced - Eliminator | 2006 | T-HQ, Inc. Toy HeadQuarters |
| Sony PSP UMD | Justice League Heroes Model ULUS-10214 | 2006 | Warner Bros. Ent., Inc. |
| Sony PSP UMD | Kao Challengers Model ULES-00146 | 2005 | Atari Europe S.A.S.U. |
| Sony PSP UMD | Kazuo Model UCJS-10036 | 2006 | Sony Computer Ent., Inc. SCEI Japan |
| Sony PSP UMD | Key of Heaven Model UCES-00178 | 2006 | Sony Computer Ent. Europe SCEE |
| Sony PSP UMD | Killzone Liberation Model UCES-00279 | 2006 | Sony Computer Ent. Europe SCEE |
| Sony PSP UMD | Kingdom Hearts - Birth by Sleep Model ULES-01441 | 2010 | Square Enix Co., Ltd. Japan |
| Sony PSP UMD | Kingdom Hearts - Birth by Sleep Model ULUS-10505 | 2010 | Square Enix Co., Ltd. Japan |
| Sony PSP UMD | Kingdom of Paradise | 2005 | Sony Computer Ent. America SCEA CA, USA |
| Sony PSP UMD | Knights in the Nightmare Model ULUS-10539 | 2010 | Atlus Co., Ltd. Japan |
| Sony PSP UMD |  Koei Tecmo the Best: Taikou Risshiden V Model ULJM-06158 | 2013 | KOEI Tecmo Games Co., Ltd. Japan |
| Sony PSP UMD | Kokoro Connect - Yochi Random Model ULJS-00535 | 2012 | NAMCO Bandai Games, Inc. Japan |
| Sony PSP UMD | Konami Dendou Selection: Metal Gear Solid - Portable Ops Model ULJM-05573 | 2009 | Konami Digital Ent. Co., Ltd. |
| Sony PSP UMD | Konami the Best: Akumajou Dracula X Chronicle Model VP039-J2 | 2009 | Konami Digital Ent. Co., Ltd. |
| Sony PSP UMD | Kurohyou - Ryu ga Gotoku Shinshou Model ULJM-05713 | 2010 | SEGA Corp. |
| Sony PSP UMD | Kurohyou - Ryu ga Gotoku Shinshou Model ULJM-08047 | 2011 | SEGA Corp. |
| Sony PSP UMD | L.A. Rush | 2006 | Midway Home Ent. |
| Sony PSP UMD | L@ve Once Model ULJM-05746 | 2010 | Happinet |
| Sony PSP UMD | La Pucelle Ragnarok Model UCJS-00243 | 2009 | Nippon Ichi Soft., Inc. Japan |
| Sony PSP UMD | Landrover/Ford Off Road | 2008 | Xplosive |
| Sony PSP UMD | Lara Croft - Tomb Raider Anniversary Model ULJS-00221 | 2009 | Spike Japan |
| Sony PSP UMD | Lara Croft - Tomb Raider Anniversary Model ULUS-10253 | 2007 | Eidos Interactive |
| Sony PSP UMD | Lara Croft Tomb Raider Legend Model ULUS-10110 | 2006 | Eidos Interactive |
| Sony PSP UMD | LEGO Batman - The Videogame | 2008 | Warner Bros. Ent., Inc. |
| Sony PSP UMD | LEGO Pirates of the Caribbean - The Video Game | 2011 | Disney Interactive |
| Sony PSP UMD | LEGO Star Wars II - The Original Trilogy Model ULUS-10155 | 2006 | LucasArts Ent. Co. |
| Sony PSP UMD | Lemmings Model UCES-00109 | 2006 | Sony Computer Ent. Europe SCEE |
| Sony PSP UMD | Little Big Planet | 2009 | Sony Computer Ent. America SCEA CA, USA |
| Sony PSP UMD | Little Big Planet Model UCES-01264 | 2009 | Sony Computer Ent. Europe SCEE |
| Sony PSP UMD | Little Britain - The Video Game Model ULES-00840 | 2007 | Blast Ent., Ltd. |
| Sony PSP UMD | LocoRoco 2 Model UCES-01059 | 2008 | Sony Computer Ent. Europe SCEE |
