Personal name

• Ai Otsuka
  Ai Otsuka
  is a Japanese pop singer-songwriter, composer, pianist and actress from Suminoe-ku, Osaka City, Osaka Prefecture, Japan. She is a popular artist on the Avex Trax label and is best known for her 2003 hit "Sakuranbo," which stayed in the Top 200 Oricon Weekly Singles Chart for 103 weeks.A piano...
  
   (born 1982) Japanese pop singer from the Kansai region
• Akinori Otsuka
  Akinori Otsuka
  is a currently inactive Japanese Major League Baseball player. He was formerly the set-up man for the San Diego Padres and the Texas Rangers...
  
   (born 1972) Japanese baseball player, currently is a Free Agent
• Akio Ōtsuka (born 1959) Japanese voice actor, son of Chikao Ohtsuka
• Chihiro Otsuka
  Chihiro Otsuka
  is a Japanese actress. Her birth name in kanji is , but she transformed her given name into hiragana characters.-Movie:*Dark Water *Godzilla: Tokyo S.O.S. *Be with You...
  
   (born 1986) Japanese actress
• Chikao Ōtsuka (born 1929) Japanese voice actor, father of Akio Ohtsuka
• Hironori Ōtsuka (1892–1982) the creator and first Grand Master of the Japanese karate style Wado-ryu
• James Otsuka
  James Otsuka
  Katsuki James Otsuka was a Nisei Japanese American Quaker who was jailed as a conscientious objector during World War II, and later became a war tax resister....
  
   (1921–1984) famous war tax resister
• Michael Otsuka
  Michael Otsuka
  Michael Otsuka is Professor of Philosophy at University College London. He previously taught at UCLA and the University of Colorado. He has written extensively in political philosophy on topics such as equality and left-libertarianism...
  
   (born 1964) London-based academian
• Tadashi Ohtsuka
  Tadashi Ohtsuka
  is a male badminton player from Japan.-Career:Ohtsuka competed in badminton at the 2004 Summer Olympics in men's doubles with partner Keita Masuda. They had a bye in the first round, then were defeated in the round of 16 by Fu Haifeng and Cai Yun of China....
  
   (born 1978) Japanese badminton player
• Takeo Otsuka
  Takeo Otsuka
  , also known as Men's Teioh or Terry Boy, is a Japanese professional wrestler who is a longtime mainstay of Big Japan Pro Wrestling as well as a former competitor of Michinoku Pro Wrestling...
  
   (born 1966) Japanese professional wrestler also known as Men's Teioh or Terry Boy
• Yasuo Ōtsuka
  Yasuo Otsuka
  is a Japanese animator who worked with Toei Animation and Studio Ghibli.Prior to becoming an animator, Ōtsuka worked in the Kantō-Kōshin'etsu district drug enforcement office at the Ministry of Health and Welfare. As a member of the support staff , he was responsible for the seizure of drugs and...
  
   (born 1931) former animator who worked with Toei Animation

Organizational name

• "Otsuka FC", former name of Japanese professional football team Tokushima Vortis
  Tokushima VORTIS
  is a Japanese professional football club, currently playing in the J. League Division 2. The team is located in Tokushima, Tokushima Prefecture...
  
  
• Otsuka Pharmaceutical Co.
  Otsuka Pharmaceutical Co.
  , abbreviated OPC, is a pharmaceutical company headquartered in Tokyo, Osaka and Naruto, Japan. The company was established August 10, 1964, and currently has approximately 27,000 employees worldwide. The company focuses on pharmaceuticals related to nutrition...
  
  , a Japan-based multi-national pharmaceutical company

Placename

• Ōtsuka Station
  Otsuka Station
  is a railway station in Toshima, Tokyo, Japan, operated by East Japan Railway Company .-Lines:Ōtsuka Station is served by the Yamanote Line.It is also a stop on the Toden Arakawa Line, whose station is named...
  
  , the name of multiple railway stations in Japan