Kawauchisawa Dam (Japanese: 川内沢ダム) is a gravity dam located in Miyagi Prefecture in Japan.

The catchment area of the dam is 3.7 km2.

The dam impounds about 18 ha of land when full and can store 1790 thousand cubic meters of water.

The construction of the dam was started on 1997.

This article about a dam or floodgate in Tōhoku region of Honshu, Japan is a stub.