Jisaburo Ohwi (大井 次三郎 Ōi Jisaburō?, 18 September 1905 – 22 February 1977) was Japanese botanist. He was a distinguished member of the Faculty of Science of Kyoto Imperial University. He is perhaps best known for his 1953 Flora of Japan (日本植物誌 Nihon Shokubutsushi?).