Ayaminami Dam (Japanese: 綾南ダム) is a gravity dam located in Miyazaki Prefecture in Japan.

The dam is used for flood control and power production.

The dam impounds about 136 ha of land when full and can store 38000 thousand cubic meters of water.

The construction of the dam was started on 1953 and completed in 1958.

This article about a dam or floodgate on Kyushu, Japan is a stub.