Ōtsuka
Ōtsuka ( Japanese 大 塚 ) is the family name of the following people:
- Ai Ōtsuka (* 1982), Japanese singer-songwriter
- Akio Ōtsuka (* 1959), Japanese seiyū
- Chikao Ōtsuka († 2015), Japanese actor and voice actor
- George Ōtsuka (* 1937), Japanese jazz musician
- Ōtsuka Hironori (1892–1982), founder of the karate style of Wado-Ryu
- Ōtsuka Hisao (1907–1996), Japanese economic historian
- Jirō Ōtsuka (1934-2015), Japanese Wadō-Ryu karate grandmaster
- Julie Otsuka (* 1962), American writer
- Kazuyuki Ōtsuka (* 1982), Japanese football player
- Kōhei Ōtsuka (* 1959), Japanese politician and political scientist
- Ōtsuka Miki (1891–1945), Japanese rear admiral
- Paul Yoshinao Ōtsuka (* 1954), Japanese clergyman, Bishop of Kyoto
- Sae Ōtsuka (* 1995), Japanese musician and seiyū
- Shinji Ōtsuka (* 1975), Japanese football player
- Shin'ya Ōtsuka (* 1980), Japanese badminton player
- Shō Ōtsuka (* 1995), Japanese football player
- Shōhei Ōtsuka (* 1990), Japanese football player
- Shōta Ōtsuka (* 1987), Japanese football player
- Sonoe Ōtsuka (* around 1955), Japanese badminton player
- Ōtsuka Tadahiko (1940–2012), Japanese karate master
- Tadashi Ōtsuka (* 1978), Japanese badminton player
- Takeru Otsuka (* 2001), Japanese snowboarder
Ōtsuka stands for:
- Ōtsuka Pharmaceutical Co. , a Japanese pharmaceutical company
