Terazawa Dam is an earthfill dam located in Gunma Prefecture in Japan.

The catchment area of the dam is 1.7 km2.

The dam impounds about 3 ha of land when full and can store 137 thousand cubic meters of water.

The construction of the dam was completed in 1952.

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