| JWP Joshi Pro Wrestling: Pure Wrestle Queens | Super Nintendo Entertainment System | 1994 | — |
| Jyutei Senki | Super Nintendo Entertainment System | 1993 | — |
| K-pop Dance Festival | Wii | 2013 | Skonec Entertainment |
| Kabuki Quantum Fighter | Nintendo Entertainment System | 1990 | Human Entertainment |
| Kabuki Rocks | Super Nintendo Entertainment System | 1994 | Red Entertainment |
| Kachō Kōsaku Shima: Super Business Adventure | Super Nintendo Entertainment System | 1993 | — |
| Kaeru no Tame ni Kane wa Naru | Game Boy | 1992 | Intelligent Systems, Nintendo Research & Development 1 |
| Kaijū Monogatari | Nintendo Entertainment System | 1988 | Birthday |
| Kaijū-ō Godzilla | Game Boy | 1993 | — |
| Kaiketsu Yanchamaru 2: Karakuri Land | Nintendo Entertainment System | 1991 | Irem |
| Kaiketsu Yanchamaru 3: Taiketsu! Zouringen | Nintendo Entertainment System | 1993 | Irem |
| Kaio: King of Pirates | Nintendo 3DS | — | Level-5 Comcept |
| Kaitō Joker: Toki o Koeru Kaitō to Ushinawareta Hōseki | Nintendo 3DS | 2015 | Inti Creates |
| Kaizou Choujin Schbibinman Zero | Super Nintendo Entertainment System | 1997 | — |
| Kakinoki Shogi | Super Nintendo Entertainment System | 1994 | Yoshikazu Kakinoki |
| Kamen no Ninja Akakage | Nintendo Entertainment System | 1988 | Shōei System |
| Kamen Rider Climax Heroes OOO | Wii | 2010 | Eighting |
| Kamen Rider Club Gekitotsu ShockerLand | Nintendo Entertainment System | 1988 | Tose Co. |
| Kamen Rider SD: Sortie!! Rider Machines | Super Nintendo Entertainment System | 1993 | — |
| Kamen Rider: Chou Climax Heroes | Wii | 2012 | Eighting |
| Kamen Rider: Climax Heroes W | Wii | 2009 | Eighting |
| Kamen Rider: Dragon Knight | Wii | 2009 | Eighting |
| Kamen Rider: Travelers Senki | Nintendo 3DS | 2013 | — |
| Kami | Nintendo 3DS | 2013 | State of Play |
| Kao the Kangaroo Round 2 | Nintendo GameCube | 2005 | Tate Multimedia |
| Karaoke Joysound Wii | Wii | 2008 | Hudson Soft |
| Karaoke Revolution | Wii | 2009 | Blitz Games |
| Karaoke Revolution Glee: Volume 2 | Wii | 2011 | Hijinx Studios |
| Karaoke Revolution Glee: Volume 3 | Wii | 2011 | Hijinx Studios |
| Karaoke Revolution Party | Nintendo GameCube | — | Harmonix Music Systems |
| Karaoke Revolution Presents: American Idol Encore | Wii | 2008 | Blitz Games Studios |
| Karaoke Revolution Presents: American Idol Encore 2 | Wii | 2008 | Blitz Games Studios |
| Karaoke Revolution: Glee | Wii | 2010 | Hijinx Studios |
| Karaoke Studio | Nintendo Entertainment System | 1987 | Tose Co. |
| Karate Champ | Nintendo Entertainment System | 1984 | Technōs Japan |
| Karate Phants: Gloves of Glory | Wii | 2009 | SnapDragon Games |
| Karateka | Nintendo Entertainment System, Apple II series | 1984 | Jordan Mechner |
| Karnov | Nintendo Entertainment System | 1987 | Data East |
| Kart Fighter | Nintendo Entertainment System | 1993 | Hummer Team |
| Kart Racer | Wii | 2009 | Brain in a Jar |
| Kat's Run: All Japan K-Car Championship | Super Nintendo Entertainment System | 1995 | Atlus |
| Katekyo Hitman Reborn! Dream Hyper Battle! | Wii | 2007 | Marvelous Entertainment |
| Kawa no Nushi Tsuri | Nintendo Entertainment System | 1990 | Yuu Yuu |
| Kawa no Nushi Tsuri 2 | Super Nintendo Entertainment System | 1995 | — |
| Kawasaki Caribbean Challenge | Super Nintendo Entertainment System | 1993 | Park Place Productions |
| Kawasaki Jet Ski | Wii | 2008 | Data Design Interactive |
| Kawasaki Quad Bikes | Wii | 2007 | Data Design Interactive |
| Kawasaki Snowmobiles | Wii | 2008 | Data Design Interactive |
| Kawasaki Superbike Challenge | Super Nintendo Entertainment System | 1994 | Lankhor |
| Kelly Slater's Pro Surfer | Nintendo GameCube | 2002 | HotGen |
| Ken Griffey, Jr. Presents Major League Baseball | Super Nintendo Entertainment System | 1994 | Software Creations |
| Ken Griffey, Jr.'s Winning Run | Super Nintendo Entertainment System | 1996 | Rare Ltd. |
| Kendo Rage | Super Nintendo Entertainment System | 1993 | — |
| Kenka Bancho 6 | Nintendo 3DS | 2015 | — |
| Kero Kero Keroppi no Bōken Nikki: Nemureru Mori no Keroleen | Super Nintendo Entertainment System | 1994 | — |
| Kersploosh! | Nintendo 3DS | 2011 | — |
| Ketzal's Corridors | Nintendo 3DS | 2011 | — |
| Kevin Keegan's Player Manager | Super Nintendo Entertainment System | 1993 | Anco Software |
| Kevin VanDam's Big Bass Challenge | Wii | 2010 | Zoo Corporation |
| Kick Master | Nintendo Entertainment System | 1992 | KID |