The Sameura Dam (早明浦ダム Sameura-damu) is a dam on the Yoshino River on the island of Shikoku, Japan, completed in 1975.

[1] It has the largest storage capacity in Shikoku.

The dam holds back a reservoir, named Lake Sameura (さめうら湖 Sameura-ko) The dam is used for flood control, a source of irrigation, and provides tap water to surrounding areas.

It also produces electricity using hydropower.

The plant can generate 42 MW.