Tonogawa Dam (Japanese: 殿川ダム) is a gravity dam located in Kagawa Prefecture in Japan.

The dam is used for flood control and water supply.

The dam impounds about 6 ha of land when full and can store 690 thousand cubic meters of water.

The construction of the dam was started on 1967 and completed in 1974.

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