- Maria Ozawa
- Nao Okada
- Yuzuna Oshima
- Yuki Osanai
- Risa Ono
- Arisa Odagiri
- Yuki Okamoto
- Akane Okamoto
- Naoko Ogawa
- Mika Okuno
- Hitomi Oki
- Yuki Ozawa
- Ayane Okura
- Moe Ohsawa
- Maria Ono
- Nana Otone
- Nazuna Otoi
- Emi Orihara
- Aften Opal
- Mizuki Ogawa
- Paige Owens
- Mirei Omori
- Ruri Okino
- Yuna Ozawa
- Arisa Oshima
- Kazumi Ozaki
- Waka Oshiro
- Shinobu Orikasa
- Momoka Ohashi
- Miho Otaki
- Saki Oshima
- Maoko Otani
- Kei Ohashi
- Arisa Okazaki
- Shinobu Ono
- Yuki Ogawa
- Mari Ogata
- You Ogura
- Yumi Ono
- Reiko Ohtsuka