毛吕山町（日语：毛吕山町／もろやままち）是埼玉县西南部的一个人口约3万9千人的町。

Moroyama(毛呂山町,Moroyama-machi) is a town located in Iruma District, Saitama Prefecture, in the central Kantō region of Japan. As of 1 February 2016, the town had an estimated population of 37,171 and a population density of 1090 persons per km². Its total area was 34.07 square kilometres (13.15 sq mi).