上山市（かみのやまし）是位于山形县东南部的一个人口约3万5千人的市。

Kaminoyama(上山市,Kaminoyama-shi) is a city located in Yamagata Prefecture, in the northern Tohoku region of Japan.

As of October 2015, the city had an estimated population of 31,476 and a population density of 131 persons per km. The total area was 240.93 square kilometres (93 sq mi).