Kardzhali (Bulgarian: Кърджали, Turkish: Kırcaali) is a town in Bulgaria, center of Kardzhali Municipality and Kardzhali Province in the Eastern Rhodopes. Near the town is the noted Kardzhali Dam.

Kardzhali is located in the low eastern part of Rhodope Mountains, on both banks of the river Arda between the Kardzhali Reservoir to the west and the Studen Kladenets Reservoir to the east. The town is 260 km (162 mi) southeast of Sofia. It has a crossroad position from Thrace to the Aegean Sea — part of European transportation route 9.

Kardzhali has a Humid continental climate according to the (Köppen Climate Classification). It is mainly dry all year round with the wettest month being December with just ten days of rainfall. The city has warm summers and cold winters.

The location of Kardzhali has been inhabited since the Neolithic. Many artifacts, comprising ceramics and primitive tools, have been found during the archaeological excavations. Most of them are now exhibited in the local historical museum.