ÅŒtsuka
Ōtsuka (Japanese大 冢) is the surname of the following persons:
- Akio Ōtsuka ( born 1959 ), Japanese seiyū
- Ai Ōtsuka ( b. 1982 ), Japanese singer-songwriter
- Julie Otsuka (born 1962 ), American writer
- Hironori Ōtsuka (1892-1982), founder of the Karate style of Wado -Ryu
- Ōtsuka Miki (1891-1945), Japanese rear admiral
- Paul Yoshinao Ōtsuka (born 1954 ), Japanese clergyman, Bishop of Kyoto
- Ōtsuka Tadahiko (1940-2012), Japanese karate master
- Shin'ya Ōtsuka ( born 1980 ), Japanese badminton players
- Sonoe Ōtsuka (c. 1955), Japanese badminton player
- Tadashi Ōtsuka (born 1978 ), Japanese badminton players
- Ōtsuka Pharmaceutical Co., a Japanese pharmaceutical company
- Disambiguation