Ōtsuka (disambiguation)
# Ōtsuka (disambiguation)

Ōtsuka is a Japanese surname.

Ōtsuka or Otsuka may also refer to:

* Ōtsuka Station, the name of multiple railway stations in Japan
* "Otsuka FC", former name of Japanese professional football team Tokushima Vortis
* Otsuka Pharmaceutical Co., a Japan-based multi-national pharmaceutical company
