安城市（韩语：안성시／安城市）是大韩民国京畿道南部的一个城市。东邻利川市，西与平泽市接壤，南边是忠清南道天安市西北区及忠清南道阴城郡和镇川郡，北边是龙仁市。

Anseong is a city in Gyeonggi Province, South Korea, 80 kilometres (50 mi) south of Seoul. Its geographical location is 37°0′N 127°16′E / 37.000°N 127.267°E / 37.000; 127.267.

Anseong promotes itself as "The City of Masters". It is known for producing brassware and arts and crafts. From late spring to fall, Anseong holds its own Namsadang Neuri Festival. The agriculture of Anseong consists of Asian pears grapes, and rice.