O
- Chūmei Ō
- J. J. Ochado
- Kazumasa Oda (小田 和正)
- Tsuyoshi Oda (小田 強)
- Toshiya Okano (岡野 俊也)
- Manabu Ookawa (大川 学)
- Oliveira
- Ormiga
- Tsubasa Oozora (大空 翼) - Voice actors: Youko Ogai (young), Nozomu Sasaki (adult). Later replaced by Kikuko Inoue (youth) and Tomokazu Seki (adult) in Captain Tsubasa Road to 2002.
Read more about this topic: List Of Captain Tsubasa Characters