Female J-POP Idol Artists, Casts, Authors Beginning with O
- O'CHAWANZ
- Obento Idole
- OCHA NORMA
- ODA SAKURA
- OFR48
- OGATA HARUNA
- OGATA RISA
- OGAWA RENA
- OGAWA SARA
- OHA-GIRL CHU!CHU!CHU!
- OHKUCHI KENGO
- OJIMA CHIKA
- OKADA AYAKA
- OKADA NANA
- OKAMURA HOMARE
- OKAMURA MINAMI
- OKUMURA NONOKA
- OMORI MAHO
- OMORI MIYUU
- One Hokkaido Project
- Ongaku Gatas
- Ongaku Gatas
- ONO MIZUHO
- ONODA SAORI
- ONOE MATSUYA
- ORLAND
- OSAKA SYUNKASYUTO
- OSAWA REIMI
- OSHIMA RYOUKA
- OSOUJI UNIT[CLEAR`S]
- OTA YUURI
- OTANI EMIRI
- OTANI MASAE aka HIMAWARI
- OTOMESHINTO
- OUNO RIKO
- OWADA NANA
- OZEKI MAI