Sakuna Dam is a gravity dam located in Chiba Prefecture in Japan.

The catchment area of the dam is 2.1 km2.

The dam impounds about 9 ha of land when full and can store 630 thousand cubic meters of water.

The construction of the dam was started on 1971 and completed in 1977.

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