J-POP Artists, Casts, Authors Beginning with O
- OKA OSAMU
- OKA TAISUKE TAKEMURA ATSUHIKO NAKAI SHINTAROU
- OKA TAKASHI
- OKA TAKEO
- OKA TATSUYA
- OKA YUJI
- OKA YUKO & KAGEYAMA TOKINORI
- OKA YUKO & MIYASHITA KENJI
- OKABAYASHI
- OKABAYASHI KAZAHO with SUPPORT
- OKABAYASHI KAZEHO
- OKABE AKIRA
- Okada & Ryo
- OKADA AKANE
- OKADA HIROMI
- OKADA HISASHI
- OKADA JUN
- OKADA JUNICHI
- OKADA JUNKO
- OKADA KAWAI
- OKADA KEN
- OKADA KOHKI
- OKADA MICHIKO
- OKADA NANA
- OKADA NARUFUMI
- OKADA SHIZUKI & AIDA KAZUYA
- OKADA TAKAKO
- OKADA TAKUROU
- OKADA TAROU
- OKADA TORU presents UKLENICA
- OKADA YUMI
- OKADA YUTO
- OKAE SHINICHIRO
- OKAERI HEROZ
- OKAGAWA LEO
- Okagesama Brothers
- OKAJIMA JIRO
- OKAJIMA NAOKI
- OKAKITA AYU
- OKAMIYA KURUMI
- OKAMOTO AIMI
- OKAMOTO AIRI
- OKAMOTO ATSUO
- OKAMOTO ATSUO
- OKAMOTO EMI
- OKAMOTO EMI
- OKAMOTO ISLAND
- OKAMOTO KAORI
- OKAMOTO KAORI
- OKAMOTO KOUKI
- OKAMOTO KOUTA
- OKAMOTO KYOKO
- OKAMOTO MISA
- OKAMOTO SHOU
- OKAMOTO TAISEI
- OKAMOTO YUJI
- OKAMOTO'S
- OKAMOTO`S
- okamotonoriaki(OKAMOTO NORIAKI)
- OKAMURA KAZUYOSHI
- OKAMURA MIHO
- OKAMURA MINAMI
- OKAMURA NANA
- OKAMURA SATOSHI
- OKAMURA YASUYUKI & ISHINO TAKKYU[-]
- OKAMURA YASUYUKI w KOIDE YUSUKE
- Okan
- OKAN
- OKANO HIROKI MIWAFUKU
- okapi
- OKAPIE
- OKASAKI MIHO
- OKASHI RESORT
- Okawa & The Rulers
- OKAWA AKIRA
- OKAWA AYANE
- OKAWA KANEIJU
- OKAWA KATSUYOSHI
- OKAWA KAZUMI
- OKAWA KAZUNORI/AWA GIRLS
- OKAWA MASATO
- OKAWA MICHIKO
- Okawa Ryuho
- OKAWA SAYAKA
- Okawari Sisters
- OKAYAMA KENJI
- Okayama Music Project
- Okayu
- OKAYU
- OKAZAEMON & Sister Paul
- OKAZAEMON FRIENDS
- OKAZAKI ETSUKO
- OKAZAKI SHIGERU
- OKAZAKI TAIIKU
- OKAZAKI YOSHIRO & Jay Thomas Quintet
- OKAZAKI YUKI
- OKAZAWA AKIRA
- OKAZAWA AKIRA
- OKAZAWA SHIGERU
- Okeisan to Natsumi Abe (Morning Musume)