Male J-POP Idol Artists, Casts, Authors Beginning with K
- KABIRA JIEI/SUMIRE/BESSHO TETSUYA/NAKAI MASAHIRO(YUJOU SHUTSUEN)/ITAO ITSUJI
- KADOWAKI MUGI
- Kaientai
- Kaito Matsukura
- Kaito Miyachika
- KAME TO YAMA P
- KAMIO FUJU
- KAMISHIRAISHI MONE
- Kankuro Kudo
- KANON
- KANSAI JOHNNY`S JR.
- Karina
- Kasumi Arimura
- KAT-TUN
- KATO SHIGEAKI
- Katsuhisa Hattori
- KAYAMA YUZO
- Kazuki Takahashi
- Kazunari Ninomiya
- Kazuya Kamenashi
- Keanu Reeves
- Kei Inoo
- Keiko Kitagawa
- Ken Miyake
- Ken Ogata
- KEN Tackey
- Ken Watanabe
- Kenichi Matsuyama
- Kento Hayashi
- Kento Nakajima
- Kiichi Nakai
- King & Prince
- KinKi Kids
- Kis-My-Ft2
- KIYOHARA KAYA
- Koichi Domoto
- Koichi Sato
- Koji Yakusho
- KOMATSU NANA
- KONISHI YASUHARU
- KOSHIBA FUKA
- Kotaro Koizumi
- Kou Shibasaki
- Kousuke Yonehara
- Koyuki
- KUDO MIO
- Kumiko Aso
- Kuranosuke Sasaki
- KUROSHIMA YUINA
- KUSANAGI TSUYOSHI
- Kyoko Fukada
- KYOUMOTO TAIGA