Mitsuo Hashimoto (橋本 みつお, Hashimoto Mitsuo) is a Japanese storyboard artist and director of television, OVA, and anime films. He previously worked under 橋本 光夫 (pronounced the same), but changed as someone else was using that name. While he was under contract with Toei Animation, he also did work for other companies under the name Genjūrō Tachibana (立花 源十郎, Tachibana Genjūrō).