Ohmiya Dam is a gravity dam located in Tottori prefecture in Japan.

The catchment area of the dam is 64.9 km2.

The dam impounds about 11 ha of land when full and can store 495 thousand cubic meters of water.

The construction of the dam was completed in 1940.

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