Ōtsuka (大塚 or 大束; lit. "large mound" or "large bundle" (respectively)) is a Japanese surname. Alternative transliterations include Otsuka and Ohtsuka. Notable people with the surname include:
- Ai Otsuka (大塚 愛, born 1982), Japanese pop singer from the Kansai region
- Akinori Otsuka (大塚 晶則, born 1972), Japanese baseball player
- Akio Ōtsuka (大塚 明夫, born 1959), Japanese voice actor, son of Chikao Ohtsuka
- Alexander Otsuka (Real name Takashi Otsuka) (大塚 崇, born 1971), Japanese professional wrestler and mixed martial artist
- Chihiro Otsuka (大塚 ちひろ, born 1986), Japanese actress
- Chikao Ohtsuka (大塚 周夫, 1929–2015), Japanese voice actor, father of Akio Ōtsuka
- Gen Ōtsuka (大束 元, 1912–1992), Japanese photographer
- Hirofumi Otsuka (大塚 博文, born 1947), Japanese speed skater
- Hironori Ōtsuka (大塚 博紀, 1892–1982), creator and first Grand Master of the Japanese karate style Wado-ryu
- Hōchū Ōtsuka (大塚 芳忠, born 1954), Japanese voice actor
- James Otsuka (1921–1984), war tax resister
- Julie Otsuka (born 1962), Japanese American author
- Ken Otsuka (大塚 健; born 1970), Japanese animator storyboarded Japanese anime My Hero Academia
- Kohei Otsuka (大塚 耕平, 1959–2026), Japanese politician
- Michael Otsuka (born 1964), American political philosopher
- Miyako Ōtsuka (大塚 宮子, born 1953), Japanese basketball player
- Miyu Otsuka (大塚 美優, born 1994), Japanese swimmer
- Motoyuki "Morrie" Ōtsuka (大塚 基之, born 1964), Japanese singer-songwriter
- Noyuri Otsuka (1924–2019), Japanese Christian scholar and researcher
- Tadashi Ohtsuka (大束 忠司, born 1978), Japanese badminton player
- Tarō Ōtsuka (大塚 太郎, 1868–?), Japanese garden designer: see T. R. Otsuka
- T. R. Otsuka (1868–?), Japanese garden designer
- Tatsunori Otsuka (大塚 達宣; born 2000), Japanese volleyball player
- Takeo Otsuka (大塚 武生, born 1966), Japanese professional wrestler also known as Men's Teioh or Terry Boy
- Takeru Otsuka (大塚 健; born 2001), Japanese snowboarder
- Yasuo Ōtsuka (大塚 康生, born 1931), animator
- Yuto Otsuka (大塚 裕土, born 1987), Japanese basketball player
- Sae Ōtsuka (大塚 紗英, born 1995), Japanese voice actor, singer
This page lists people with the surname Ōtsuka.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.