Ōtsuka is a Japanese surname. Alternative transliterations include Otsuka and Ohtsuka. Notable people with the surname include:Ai Otsuka Japanese pop singer from the Kansai region Akinori Otsuka Japanese baseball player Akio Ōtsuka Japanese voice actor, son of Chikao Ohtsuka Chihiro Otsuka Japanese actress Chikao Ōtsuka Japanese voice actor, father of Akio Ohtsuka Hirofumi Otsuka, Japanese speed skater Hironori Ōtsuka the creator and first Grand Master of the Japanese karate style Wado-ryu Hōchū Ōtsuka Japanese voice actor James Otsuka (1921–1984) famous war tax resister Julie Otsuka Japanese American author Michael Otsuka London-based academian Miyako Ōtsuka, Japanese basketball player Miyu Otsuka, Japanese swimmer Motoyuki "Morrie" Ōtsuka Japanese singer-songwriter Tadashi Ohtsuka Japanese badminton player Takeo Otsuka Japanese professional wrestler also known as Men's Teioh or Terry Boy Yasuo Ōtsuka former animator who worked with Toei Animation Yuto Otsuka, Japanese basketball player
