| MSX cart. |  Info Race Model P079 | 1990 | Al Alamiah |
| MSX cart. | Information Bank | 1988 | Methali |
| MSX cart. | Ink - Exxon Surfing | 2006 | Matra Computer Automations Spain |
| MSX cart. | Inq & Suq vs Nightmare Hb | 2018 | Matra Computer Automations Spain |
| MSX cart. | Instructor Model AQ004 | 1985 | Barq |
| MSX cart. | Invasion of the Zombie Monsters Hb | 2010 | Relevo Videogames Spain |
| MSX cart. | Irrigus Episode 4 Model 00130 | 1983 | ASCII Corp. Japan |
| MSX cart. | Isitar 7 Hb | 2019 | NI |
| MSX cart. | Issunboushi no Donnamondai Model GPM-132 | 1987 | Casio Computer Co., Ltd. |
| MSX cart. | Italian Stallion Hb | 2007 | Impulse9 |
| MSX cart. | J.E.T.P.A.C. Hb | 2009 | MSX Cartridge Shop |
| MSX cart. | J.P. Winkle | 198? | Zemina Korea |
| MSX cart. | J.P. Winkle Model 2507601 | 1986 | ASCII Corp. Japan |
| MSX cart. | Jagur | 1987 | Hudson Soft. Hudson Group Japan |
| MSX cart. | Jango | 1988 | ProSoft Korea |
| MSX cart. | Janka | 1985 | ASCII Corp. Japan |
| MSX cart. | Janyuu Model MXTJ-11003 | 1987 | Tecno Soft. TechnoSoft Japan |
| MSX cart. | Jawbreaker II Hb | 2014 | Unknown |
| MSX cart. | Jäästä Hb | 2020 | Unknown |
| MSX cart. | Jet Bomber Model GA013 | 1985 | Al Alamiah |
| MSX cart. | Jet Set Willy | 1985 | Hudson Soft. Hudson Group Japan |
| MSX cart. | Jinj 2 - Belmonte's Revenge Hb | 2012 | RetroWorks |
| MSX cart. | Jissen 4-nin Mahjong Model HBS-G024C | 1984 | Sony Corp. Japan |
| MSX cart. | Jong Friend | 1984 | Nidecom Japan |
| MSX cart. | Jong Kyou Model MXHI 11033 | 1983 | Hudson Soft. Hudson Group Japan |
| MSX cart. | Jump Coaster | 1984 | Colpax |
| MSX cart. | Jump Model 20162 | 1985 | ASCII Corp. Japan |
| MSX cart. | JumpinG - The Tutorial Game Hb | 2011 | Dimension Z |
| MSX cart. |  JumpinG - The Tutorial Game demo | 2011 | Dimension Z |
| MSX cart. | Jungle Hunt Hb | 2007 | Icon Games |
| MSX cart. | Juno First Model HBS-G002C P | 1983 | Sony Corp. Japan |
| MSX cart. | Juutai Panic Traffic Model HBS-G046C | 1986 | Sony Corp. Japan |
| MSX cart. | Kage no Densetsu Model MSX-9 | 1986 | Taito Corp. Japan |
| MSX cart. | Kakikukekon Model GPM-503 | 1985 | Casio Computer Co., Ltd. |
| MSX cart. | Karamaru - Chindou Chuu Model HM-103 | 1985 | HAL Laboratory, Inc. Japan |
| MSX cart. | Karuizawa Yuukai Annai Model E-G187 | 1985 | Enix, Ltd. Japan |
| MSX cart. | Kekkyoku Nankyoku Daibouken Model RC701 | 1984 | Konami Industry Co., Ltd. Japan |
| MSX cart. | Kenja no Ishi - The Stone of Wisdom Model GPM-125 | 1986 | Casio Computer Co., Ltd. |
| MSX cart. | Keyboard Master Model RC719 | 1984 | Konami Industry Co., Ltd. Japan |
| MSX cart. | Keystone Kapers Model J06 | 198? | Epcom Equipamentos Eletronicos da Amazonia, Ltda. Brazil |
