Mikohara Dam (Japanese: 神子原ダム) is an earthfill dam located in Ishikawa Prefecture in Japan.

The dam is used for irrigation.

The dam impounds about 3 ha of land when full and can store 478 thousand cubic meters of water.

The construction of the dam was completed in 1942.

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