| Official Name: | Kohnak |
| Native Name: | كهنك |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Name: | Iran |
| Subdivision Type1: | Province |
| Subdivision Name1: | Khuzestan |
| Subdivision Type2: | County |
| Subdivision Name2: | Dezful |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Choghamish |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Choghamish |
| Population As Of: | 2006 |
| Population Total: | 1,520 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 32.2558°N 48.6106°W |
Kohnak (Persian: كهنك, also Romanized as Kohonak; also known as Kahnag, Kāhūnak, Kohang, and Kūhānak) is a village in Choghamish Rural District, Choghamish District, Dezful County, Khuzestan Province, Iran. At the 2006 census, its population was 1,520, in 279 families.