Tutusago Dam (Japanese: 筒砂子ダム) is a trapezoidal dam located in Miyagi Prefecture in Japan.

The dam is used for flood control, irrigation and power production.

The catchment area of the dam is 42.4 km2.

The dam impounds about 151 ha of land when full and can store 45700 thousand cubic meters of water.

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