| Official Name: | Chamtar Khan-e Sofla |
| Native Name: | چمترخان سفلي |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Khuzestan |
| Subdivision Type2: | County |
| Subdivision Name2: | Shushtar |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Shadravan |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Shoaybiyeh-ye Gharbi |
| Population As Of: | 2006 |
| Population Total: | 179 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 31.9578°N 48.7789°W |
Chamtar Khan-e Sofla (Persian: چمترخان سفلي, also Romanized as Chamtar Khān-e Soflá; also known as Chamtar Khān-e Pā’īn, Kabūtār Khān-e Soflā, and Khalaf-e Nabī) is a village in Shoaybiyeh-ye Gharbi Rural District, Shadravan District, Shushtar County, Khuzestan Province, Iran. At the 2006 census, its population was 179, in 38 families.