K
- K2
- K.A.Z
- Kahimi Karie
- Kagerou
- Kagrra
- Kahimi Karie
- Kalafina
- Kalen
- Kamaitachi
- Kami
- Kana Nishino
- Kana Ueda
- Kanjani Eight
- Kannivalism
- Kanon Wakeshima
- KAT-TUN
- Kazumasa Hashimoto
- Kelun
- Kemuri
- Ken
- Ken Lloyd
- Kenji Ohtsuki
- Kenji Ozawa
- Ketsumeishi
- Killer Bug
- King Brothers
- KinKi Kids
- Kinniku Shōjo Tai
- KK Null
- Klaha
- Knotlamp
- Kobukuro
- Kumi Koda
- Kōenji Hyakkei
- Kokia
- Kome Kome Club
- Korekyojinn
- Kotani Kinya
- Kotoko
- Kousokuya
- Közi
- Kra
- Kuroyume
- Kusumi Koharu
- Kyary Pamyu Pamyu
- Kyosuke Himuro
Read more about this topic: List Of Musical Artists From Japan