安城市（日语：安城市／あんじょうし）为位于日本爱知县中部西三河地方的一市。安城市是爱知县内的第13个市，人口总数字居爱知县内第七位。

Anjō(安城市,Anjō-shi) is a city in Aichi Prefecture, Japan.

As of May 2015, the city had an estimated population of 183,217 and a population density of 2,130 persons per km². The total area was 86.05 square kilometres (33.22 sq mi).