The Kinjo Dam (金城ダム, Kinjō Damu) is a concrete gravity dam on the Li River in Naha, Okinawa Prefecture, Japan.

It is designated as a cultural property and is located 500 m (1,640 ft) south of Shuri Castle.

[2] Construction on the dam began in 1989 and it was completed in 2000.

[3] Its main purpose is flood control and on average, it can control an intake of 40 m3/s (1,413 cu ft/s); releasing 23 m3/s (812 cu ft/s).

The 19 m (62 ft) tall and 120 m (394 ft) long dam was constructed on fragile rock and is set on a deep concrete staircase foundation.