Voice Artist Artists, Casts, Authors
- *ω*Quintet
- Audio Highs
- audio highs
- O.M.Y.
- OLDCODEX
- ONIMAI SISTERS
- Oranges&Lemones
- Oratorio The World God Only Knows
- OSIRIS
- OTOGI8
- Over The Rainbow
- OZ.LOSTEDEN.ECLIPSE
- The The OSOMATSUSANS with MATSUNOKE 6 KYOUDAI
- Ogiyahagi
- Ogiyahagi
- OJARUMARU SISTERS
- OHASUTA ALLSTARS
- OARAITORAI
- OCCULT KENKYUBU GIRLS
- odd eye
- OPERA SERIA KIRAMEKIZA
- OMUSUBI with OSOMATSUSAN ALL STARS
- Various Artists
- OLIVIA LAFKIN
- ALTERNATIVE GIRLS
- ortensia
- Oranges & Lemons & KURICORDER POPS ORCHESTRA
- ONGEKI SHOOTERS
- 乙女番長
- AWESOME TOPPING(SERIO:CV KUBO YURIKA.NONO:CV TANAKA AIMI)
- Mitsuhiro Oikawa
- Mitsuhiro Oikawa
- OKUBO RUMI
- OIMACHI CREAM SODA
- Sayaka Ohhara
- OHARA YUIKO
- OHARA SORA(CV:TOYONAGA TOSHIYUKI).ARIHARA MORIHITO(CV:ONO YUKI)
- OHTOMO NAOTO
- Naoto Ootomo
- OTSUBO YUKA
- OHKI BAILEY
- OTSUKA TAKEO
- OTSUKA SAE
- OSAKI NATSUKI
- OSAKI AMANA(CV.KUROKI HONOKA).ICHIKAWA HINANA(CV.OKASAKI MIHO).TANAKA MAMIMI(CV.SUGANUMA CHISA)
- Toru Ohkawa
- OSUGI KUMIKO
- OSHIBA KOUSUKE(CV:MAENO TOMOAKI) & SETAGAWA MASAHIRO(CV:MASUDA TOSHIKI)
- OSHIBA KOUSUKE.SETAGAWA MASAHIRO.HASEKURA ASAYA.OSHIBA KENSUKE
- Kenji Ohtsuki
- OHTSUKI KENJI
- Rie Ohashi
- OHASHI AYAKA
- Megumi Ohashi
- 大橋歩夕
- OHASHI AYURU
- Genki Okawa
- OHTAKI EIICHI
- Rumi Ooishi
- Eiji Kikumaru & Syuichirou Oishi
- OZORA NAOMI
- ONISHI AGURI
- ONISHI SAORI
- Kow Otani
- Kow Otani
- Ikue Otani
- Taeko Ohnuki
- Taeko Ohnuki
- Marina Ohno
- Matsuno Ohono
- ONO YUKO
- OHNO YUJI
- Eri Ozeki
- OSUMI TOMOTAKA.NOBUSAWA NOBUAKI
- OHSUKA JUN
- OTA AYAKA
- Michihiko Oota
- Takako Ohta
- OKUI TSUBASA(CV:SAITOU SOMA).KUGA ICHIRU(CV:NOGAMI SHO)
- Masami Okui
- OKUI MASAMI.[-]
- KEIICHI OKU
- OKUNO KAYA
- OKUSE SAKI
- Yui Ogura
- OHARA YOSHIMI
- OZAWA ARI
- Odawara Josei HighSchool Kitaku-bu/HIGHSCHOOL CHILDREN
- Yukari Kobata
- OGASAWARA JIN
- OMIGAWA CHIAKI
- Yuki Ono
- Masaya Onosaka
- ONOSAKA MASAYA & UEDA YUJI
- Daisuke Ono
- Kensho Ono
- OJIKA NAO
- OZAKI YUKA
- OKASAKI MIHO
- Ritsuko Okazaki