Kadogawa Bosai Dam (Japanese: 門川防災ダム) is a rockfill dam located in Miyazaki Prefecture in Japan.

The dam is used for flood control.

The catchment area of the dam is 6 km2.

The dam impounds about 12 ha of land when full and can store 737 thousand cubic meters of water.

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