Chahar Burjak District (Dari: ولسوالی چاربرجک; Pashto: د چاربرجک ولسوالی; Balochi: چاربرجک دمگ‎) is one of six districts of Nimruz Province in southwestern Afghanistan. It has an estimated population of approximately 32,579 people. They have been and reported in 2004 as 88% Baloch people, 10% Brahuis, 1% Pashtuns and 1% Tajiks. Most are involved in agriculture, trade and transport. Some go to work in other cities of Afghanistan.

At just under 22,000 km² (8,500 sq mi) in area, it is the largest district in Afghanistan. The Godzareh Depression, Hamun Lake and Kamal Khan Dam are located in this district.