| Kohistan | |
| Native Name: | کوهستان |
| Native Name Lang: | fa |
| Settlement Type: | District |
| Subdivision Type: | Country |
| Subdivision Name: |  Afghanistan |
| Subdivision Type1: | Province |
| Subdivision Name1: | Faryab |
| Coordinates: | 35.33°N 64.92°W |
| Pushpin Map: | Afghanistan |
| Pushpin Label Position: | bottom |
| Government Type: | District council |
| Population Total: | 53,100 |
| Population As Of: | 2010 |
| Population Footnotes: | [1] |
Kohistan (Persian: کوهستان) is the southernmost district in Faryab province. Its population is 53,100 (2010). The district center is Qal'a, 1909 m altitude.
On 4 May 2014, flash flooding from heavy rainfall resulted in the destruction of public facilities, roads, and agricultural land. In the Shaman Dara area, 120 families were reportedly affected (10 houses destroyed and 50 houses severely damaged), four people died (two children, two women), 200 livestock killed, 4000 jerib of agricultural land and 200 gardens damaged.[2]