| Official Name: | Longir-e Sofla |
| Native Name: | لنگيرسفلي |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Khuzestan |
| Subdivision Type2: | County |
| Subdivision Name2: | Behbahan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Zeydun |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Dorunak |
| Population As Of: | 2006 |
| Population Total: | 304 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 30.4656°N 49.9892°W |
Longir-e Sofla (Persian: لنگيرسفلي, also Romanized as Longīr-e Soflá and Longīr Soflá; also known as Longīr and Longīr-e Pā’īn) is a village in Dorunak Rural District, Zeydun District, Behbahan County, Khuzestan Province, Iran. At the 2006 census, its population was 304, in 64 families.