Namioka Dam is a rockfill dam located in Aomori Prefecture in Japan.

The catchment area of the dam is 15.3 km2.

The dam impounds about 55 ha of land when full and can store 7600 thousand cubic meters of water.

The construction of the dam started in 1973 and was completed in 1982.

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