Dzun-Khemchiksky District (; ) is an administrative and municipal district (raion, or kozhuun), one of the seventeen in the Tuva Republic, Russia. It is located in the west of the republic. The area of the district is . Its administrative center is the town of Chadan. Population: 21,361 (2002 Census); The population of Chadan accounts for 45.4% of the district's total population.