Oyama is a town located in Suntō District, Shizuoka Prefecture, Japan. As of 1 October 2023, the town had an estimated population of 17,297 in 7496 households and a population density of 127 persons per km2. The total area of the town is 135.74 square kilometres (52.41 sq mi).

The Gotemba Line is a railway line in Japan operated by the Central Japan Railway Company. It connects Kōzu Station in Odawara to Numazu via Gotemba.