List of Japanese Artists
- Kagerou
- Kagrra
- Kahimi Karie
- Kalafina
- Kamaitachi
- Kamen Joshi
- Kami
- Kamijo
- Kana Nishino
- Kana Ueda
- Kanjani Eight
- Kanjani Eight (group)
- Kannivalism
- Kanon Wakeshima
- Kaori Kōzai
- Kaori Mizumori
- Kaori Mochida
- Kaori Uesugi
- KAT-TUN
- Katsuki Nana
- Kazuha Yasuda
- Kazuko Mifune
- Kazumasa Hashimoto
- Kazuo Chiba
- Kazuo Funaki
- Kazusa Wakayama
- Keiichi Suzuki(Moonriders)
- Keiji Haino
- Keiko Fuji
- Keiko Matsuyama
- Keisuke Hama
- Kelun
- Kemuri
- Ken
- Ken Hirai
- Ken Ishii
- Ken Lloyd
- Kenichi Mikawa
- Kenji Niinuma
- Kenji Ohtsuki
- Kenji Ozawa
- Ketsumeishi
- Keytalk
- Killer Bee
- Killer Bug
- Kim Yeon-ja (Korean singer)
- King Brothers
- KinKi Kids
- Kinniku Shōjo Tai
- Kiyoko Suizenji
- Kiyoshi Hikawa[56]
- Kiyoshi Maekawa
- KK Null
- Klaha
- Knotlamp
- Kō Machida
- Kobukuro
- Kōenji Hyakkei
- Kohei Mihara
- Kōji Kondō
- Koji Tsuruta
- Kokia
- Komadori Shimai (sisters)
- Kome Kome Club
- Korekyojinn
- Koshi Inaba
- Kotani Kinya
- Kōtarō Satomi (also an actor)
- Kotoko
- Kousokuya
- Közi
- Kra
- Kumi Iwamoto
- Kumi Koda
- Kunio Naitō
- Kuroyume
- Kusumi Koharu
- Kwon Rise
- Kyary Pamyu Pamyu
- Kye Eun-sook (Korean singer)
- Kyosuke Himuro
- Kyu Sakamoto
- L'Arc-en-Ciel
- La'cryma Christi
- Laputa
- Lareine
- Last Alliance
- Lazy
- Lead
- Leo Ieiri
- Lia
- Lindberg
- Ling Tosite Sigure
- Lite
- Little by Little
- LM.C
- Logic System
- Long Shot Party
- Loudness
- Love Psychedelico