- Keiichiro Akagi
- Keiji Azechi
- 灰野敬二
- Keiji Haino
- Keiji Haino & Tatsuya Yoshida
- Keiji Matsumoto
- Keiji Matsushima
- Keijo
- Keijo Com Mel
- Keijo Minerva
- Keijo Minerva
- Keijser/Rosen/Westling
- Keijzer McGuiness Quintet
- Keikaku
- Keike
- Keiki Midorikawa
- KEIKO
- Keiko Abe
- Keiko Andrews
- Keiko Bonk
- Keiko Frieling/Ali Sultan
- Keiko Hara
- Keiko Harada
- Keiko Imamura
- Keiko Imamura
- Keiko Kusaka
- Keiko Lee
- 増田恵子
- Keiko Masuda
- Keiko Matsui
- Keiko Matsuo
- Keiko McNamara
- Keiko McNamara Trio
- Keiko Nemoto
- Keiko Nosaka
- Keiko Nose
- Keiko S. Zou
- Keiko Sai
- Keiko Saijo
- Keiko Sato
- Keiko Sudo
- Keiko Takahashi
- Keiko Takeda
- Keiko Toyama
- Keiko Ueda
- Keiko Utsumi
- Keiko Watanabe
- Keiko Yoshida
- Keil
- Keil Ali
- Keil Nathan