Matsuo-ike Dam (Japanese: 松尾池) is an earthfill dam located in Kagawa Prefecture in Japan.

The dam is used for irrigation.

The dam impounds about 24 ha of land when full and can store 1322 thousand cubic meters of water.

The construction of the dam was completed in 1971.

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