Sungai Durian, or "Durian River", is a district (Indonesian: Kecamatan) of Kotabaru Regency in the province of South Kalimantan, Indonesia.

[1] The district has an area of 1,042.38 square kilometres (402.47 sq mi) and an average elevation of 5 metres (16 ft) above sea level.

[1] It contains seven villages:[1][2] Sungai Durian is in the Kutai Basin, which holds a major coal formation created from the Early Pliocene to the Eocene.

[3] The district had a total population of 10,400 as of the 2010 census, all considered rural.

[4] The breakdown by religion was Islam: 7,029, Christian: 1,130, Catholic: 283, Hindu: 117, Buddhist: 1,104, Other: 737.