| Matsuo-ike Dam | |
| Name Official: | 松尾池 |
| Location: | Kagawa Prefecture, Japan |
| Dam Length: | 423m |
| Dam Height: | 18.7m |
| Opening: | 1971 |
| Res Capacity Total: | 1322 thousand cubic meters |
| Res Surface: | 24 hectares |
| Coordinates: | 34.2381°N 134.0864°W |
| Location Map: | Japan |
Matsuo-ike Dam 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.[1]