Masubuchi Dam is a gravity dam located in Fukuoka Prefecture in Japan.

The dam is used for flood control and water supply.

The dam impounds about 74 ha of land when full and can store 13600 thousand cubic meters of water.

The construction of the dam was started on 1968 and completed in 1973.

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