| Chagah | |
| Native Name: | Persian: چگاه |
| Native Name Lang: | fa |
| Settlement Type: | Village |
| Pushpin Map: | Iran |
| Subdivision Type: | Country |
| Subdivision Name: | Iran |
| Subdivision Type1: | Province |
| Subdivision Name1: | Khuzestan |
| Subdivision Type2: | County |
| Subdivision Name2: | Dezful |
| Subdivision Type3: | District |
| Subdivision Name3: | Shahiyun |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Shahi |
| Unit Pref: | Metric |
| Population As Of: | 2016 |
| Population Total: | 285 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
Chagah (Persian: چگاه) is a village in Shahi Rural District of Shahiyun District, Dezful County, Khuzestan province, Iran.
At the time of the 2006 National Census, the village's population was 170 in 30 households, when it was in Sardasht District.[1] The following census in 2011 counted 123 people in 25 households,[2] by which time the rural district had been separated from the district in the establishment of Shahiyun District. The 2016 census measured the population of the village as 285 people in 61 households. It was the most populous village in its rural district.[3]