Ōtsuki (surname)
# Ōtsuki (surname)

Ōtsuki (大月 or 大槻) is a Japanese surname. Alternative transliterations include Otsuki, Ootsuki and Ohtsuki. Notable people with the surname include:

* Fumihiko Ōtsuki (大槻 文彦, 1847–1928), Japanese lexicographer, linguist, and historian
* Fujiko Ōtsuki (大月 フジコ, born 1932), Swedish Classical musical pianist
* Haruaki Otsuki (大月 晴明, born 1973), Japanese kickboxer
* Hibiki Ōtsuki (大槻 ひびき, born 1988), Japanese AV actress and idol singer
* Hideyuki Ohtsuki (大月 秀幸, born 1957), Japanese actor
* Hiroshi Otsuki (大槻 紘士, born 1980), Japanese football player and manager
* Kaoru Otsuki (大月 薰, 1888–1970), was the second wife of Sun Yat-sen
* Kazuto Otsuki (大槻 一人, born 1973), Japanese singer
* Kenji Ohtsuki (大槻 ケンヂ / 大槻 賢二, born 1966), Japanese rock musician
* Miyako Otsuki (大月 みやこ, born 1946), Japanese singer
* Miyako Otsuki (actress) (大槻 美也子), a semi-regular cast on Ultraman Leo
* Shuhei Otsuki (大槻 周平, born 1989), Japanese football player
* Takayuki Ōtsuki (大月 孝行), the perpetrator of the Hikari Parent-child Murder Incident
* Takeji Ōtsuki (大槻 武二, 1906–2004), founder of the third largest independent Japanese church, Holy Ecclesia of Jesus
* Tsuyoshi Otsuki (大槻 毅, born 1972), Japanese football player and manager
* Ulf Ōtsuki (大月 ウルフ, 1934–2020), Japanese-German actor
* Yuhei Otsuki (大槻 優平, born 1988), Japanese footballer

## Fictional characters

* Ootsuki (大月), a character from Umineko When They Cry
* Koto Ōtsuki (大月 琴), a character from Senryu Girl
* Tarou Ootsuki (大槻 太郎), a character from Kaiji and Mr. Tonegawa: Middle Management Blues
* Yui Ohtsuki (大槻 唯), a character from The Idolmaster
