丸森町（日语：丸森町／まるもりまち）是位于宫城县最南端的一町。

Marumori(丸森町,Marumori-machi) is a town located in Igu District, Miyagi Prefecture, in the Tohoku region of northern Japan. As of September 2015, the town had an estimated population of 14,062 and a population density of 51.5 persons per km². The total area was 273.30 square kilometres (105.52 sq mi).