| MSX cart. |  Hyper Sports 2 Model RC717 | 1984 | Konami Industry Co., Ltd. Japan |
| MSX cart. | Hyper Sports 3 Model RC733 | 1985 | Konami Industry Co., Ltd. Japan |
| Arcade Video game | Hyper Sports Special Model GX861 | 1988 | Konami Industry Co., Ltd. Japan |
| Arcade Video game |  Hyper Sports Model GX330 | 1984 | Konami Industry Co., Ltd. Japan |
| Nintendo Famicom cart. | Hyper Sports Model RC806 | 1985 | Konami Industry Co., Ltd. Japan |
| Arcade Video game | Iron Horse Model GX560 | 1986 | Konami Industry Co., Ltd. Japan |
| Slot Machine | Island Dreams | 199? | Konami Industry Co., Ltd. Japan |
| Arcade Video game | Jackal | 1986 | Konami Industry Co., Ltd. Japan |
| Sinclair ZX Spectrum cass. | Jackal | 1987 | Konami Industry Co., Ltd. Japan |
| Amstrad CPC cass. | Jackal | 1988 | Konami Industry Co., Ltd. Japan |
| Amstrad CPC 464 disk | Jackal | 1986 | Konami Industry Co., Ltd. Japan |
| Slot Machine | Jackpot Sluggers | 200? | Konami Industry Co., Ltd. Japan |
| Arcade Video game kit | Jail Break Model GX507 | 1985 | Konami Industry Co., Ltd. Japan |
| Amstrad CPC cass. | Jail Break Model KN 501 | 1986 | Konami Industry Co., Ltd. Japan |
| Sinclair ZX Spectrum cass. | Jail Break Model KN 601 | 1987 | Konami Industry Co., Ltd. Japan |
| Coin-op Misc. game | Janken Game | 1982 | Konami Industry Co., Ltd. Japan |
| Nintendo Famicom cart. | Jarinko Chie - Bakudan Musume no Shiawase Sagashi Model RC828 | 1988 | Konami Industry Co., Ltd. Japan |
| Slot Machine | Jazz Diva | 200? | Konami Industry Co., Ltd. Japan |
| Arcade Video game | Junction | 1990 | Konami Industry Co., Ltd. Japan |
| Slot Machine | Jungle Adventure | 199? | Konami Industry Co., Ltd. Japan |
| Slot Machine | Jungle Eyes | 199? | Konami Industry Co., Ltd. Japan |
| Arcade Video game | Jungler Model GX327 | 1981 | Konami Industry Co., Ltd. Japan |
| Arcade Video game | Juno First Model GX310 | 1983 | Konami Industry Co., Ltd. Japan |
| Slot Machine | Kabuki Cash | 199? | Konami Industry Co., Ltd. Japan |
| Handheld game | Kekkyoku Nankyoku Daibouken | 1990 | Konami Industry Co., Ltd. Japan |
| MSX cart. | Kekkyoku Nankyoku Daibouken Model RC701 | 1984 | Konami Industry Co., Ltd. Japan |
| Nintendo Famicom cart. | Kekkyoku Nankyoku Daibouken Model RC804 | 1985 | Konami Industry Co., Ltd. Japan |
| Coin-op Misc. game | Kenbuman | 198? | Konami Industry Co., Ltd. Japan |
| MSX cart. | Keyboard Master Model RC719 | 1984 | Konami Industry Co., Ltd. Japan |
| Arcade Video game | Kicker Model GX477 | 1985 | Konami Industry Co., Ltd. Japan |
| Nintendo Famicom cart. | King Kong 2 - Ikari no Megaton Punch Model RC816 | 1986 | Konami Industry Co., Ltd. Japan |
| MSX 2 cart. | King Kong 2 - Yomigaeru Densetsu Model RC745 | 1986 | Konami Industry Co., Ltd. Japan |
| Video Slot Machine | King Tut | 199? | Konami Industry Co., Ltd. Japan |
| MSX 3.5in disk | King's Valley Plus | 1985 | Konami Industry Co., Ltd. Japan |
| Arcade Video game | Kitten Kaboodle | 1988 | Konami Industry Co., Ltd. Japan |
| MSX cart. | Knightmare - Majou Densetsu Model RC739 | 1986 | Konami Industry Co., Ltd. Japan |
| Spectravideo SV-318 cass. | Knightmare Model RC 739 P | 1984 | Konami Industry Co., Ltd. Japan |
| Slot Machine | Knock Knock | 200? | Konami Industry Co., Ltd. Japan |
| Arcade Video game | Koi no HotRock - John, Rick & She-na Model GX620 | 1986 | Konami Industry Co., Ltd. Japan |
| Redemption mechanical game | Kokekko!! | 1990 | Konami Industry Co., Ltd. Japan |
