Minami-ōsawa Station is a passenger railway station located in the city of Hachiōji, Tokyo, Japan, operated by the private railway operator Keio Corporation.

Hachiōji is a city located in the western portion of Tokyo Prefecture, Japan. As of 31 March 2021, the city had an estimated population of 561,344, and a population density of 3,000 persons per km2. The total area of the city is 186.38 km2 (71.96 sq mi).