Nishigoya Dam is a gravity dam located in Tochigi prefecture in Japan.

The catchment area of the dam is 286.3 km2.

The dam impounds about 8 ha of land when full and can store 547 thousand cubic meters of water.

The construction of the dam was started on 1962 and completed in 1963.

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