Studen Kladenets is a dam on the Arda River located near the town of Kardzhali (Kardjali) in Bulgaria.

Studen Kladenets is one of the biggest dams in Bulgaria and also includes an artificial lake. It is located to the east of the town, and west of Studen Kladenets there is another large dam -- Kardzali.

Studen Kladenets dam is an attractive place for fishermen, where rudd is caught in great numbers. Studen Kladenets is Bulgarian for "a cold well".