本宫市（日语：本宫市／もとみやし）是位于福岛县中通中部的市。设立于2007年1月1日，由安达郡本宫町与白泽村合并而成。是福岛县面积最小，人口也最少的市。

Motomiya(本宮市,Motomiya-shi) is a city situated in the middle of Nakadōri region of Fukushima Prefecture, Japan.

As of December 2014, the city had an estimated population of 30,505 and a population density of 347 persons per km². The total area was 87.94 km². It is the smallest city in Fukushima, both in terms of population and size.