| Person | The number of albums | The number of singles | The number of lyrics | The number of musics | The number of performances | The number of participants(Band) | The number of books |
|---|---|---|---|---|---|---|---|
| Yoichiro Kakizaki | 1 | ||||||
| Noriko Kato | 1 | 1 | 12 | ||||
| Hiroyuki Kato | 3 | ||||||
| Carnation | 1 | 3 | |||||
| Kazuo Kamata | 2 | ||||||
| Karaoke | 1 | 49 | |||||
| Carl Smoky Ishii | 1 | ||||||
| Carlos Kanno | 5 | ||||||
| Wakaba Kawai | 1 | ||||||
| Tomohisa Kawazoe | 1 | ||||||
| Shinichi Kawanaga | 10 | ||||||
| Country Musume | 1 | 2 | |||||
| Shingo Kanno | 2 | 7 | |||||
| Hitoshi Kitamura | 1 | ||||||
| Naoki Kimura | 2 | 3 | |||||
| Haru Kimura | 2 | ||||||
| Mansaku Kimura | 4 | 2 | |||||
| CAROLE-KING | 1 | ||||||
| Natsuo Giniro | 1 | ||||||
| Toshinobu Kubota | 1 | ||||||
| Nobuo Kurata | 2 | ||||||
| Kenichi Kurosawa | 1 | 2 | |||||
| Hideki Kurosawa | 1 | 1 | |||||
| Kanon Kuwa | 5 | ||||||
| GAVYN Strings | 2 | ||||||
| GAVYN WRIGHT | 2 | ||||||
| GERRY-GOFFIN | 1 | ||||||
| Koike Hiroyuki Strings | 1 | ||||||
| COIL | 1 | 1 | 6 | ||||
| Shin Kohno | 6 | 40 | 13 | ||||
| Yurie Kokubu | 1 | ||||||
| Miharu Koshi | 1 | 3 | |||||
| Teruo Goto | 1 | ||||||
| Cornell Dupree | 2 | ||||||
| Futoshi Kobayashi | 1 | ||||||
| Masahiro Kobayashi | 2 | ||||||
| Hideyuki Komatsu | 1 | ||||||
| Kome Kome Club | 4 | ||||||
| Hirokuni Korekata | 1 |