Kadykchan (Russian: Кадыкча́н) is a depopulated urban locality (a work settlement) in Susumansky District of Magadan Oblast, Russia.

It is located in the Upper Kolyma Highlands, in the basin of the Ayan-Yuryakh River, 65 kilometers (40 mi) northwest of Susuman, the administrative center of the district.

The settlement's name comes from the indigenous Even language word meaning "small gorge" or "ravine".

Kadykchan was built by gulag prisoners during World War II for the purposes of coal extraction.

Later it accommodated miners at two local coal mines[5] which supplied Arkagalinskaya electric power station.