Nagara Dam (Re) (Japanese: 長柄ダム（再）) is a gravity dam located in Kagawa Prefecture in Japan.

The dam is used for flood control.

The catchment area of the dam is 32 km2.

The dam impounds about 63 ha of land when full and can store 10200 thousand cubic meters of water.

This article about a dam or floodgate on Shikoku, Japan is a stub.