碧南市（日语：碧南市／へきなんし）是爱知县的一市，属于三河地方。

Hekinan(碧南市,Hekinan-shi) is a city located in Aichi Prefecture, Japan. As of May 2015, the city had an estimated population of 70,520 including 3,227 foreigners. and a population density of 1900 persons per km². The total area was 37.17 square kilometres (14.35 sq mi).