Mitsuo is a masculine Japanese given name of Japanese origin, meaning "Shine," "Light," or "Third." The name is written in various kanji characters and hiragana, including 光男, 光央, 光雄, 光夫, 満男, 満夫, 三男, 三雄, 美津雄, 己津央, or みつお in hiragana. Notable individuals with the name Mitsuo include Japanese theologian Mitsuo Aoki, naval aviator Mitsuo Fuchida, anime director Mitsuo Fukuda, and many others. The name Mitsuo carries a sense of brightness, illumination, and significance, reflecting positive attributes such as radiance and prominence. It is a popular name in Japanese culture and has been borne by various accomplished individuals across different fields.