| Official Name: | Tamanak-e Sofla |
| Native Name: | تمنك سفلي |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Kohgiluyeh and Boyer-Ahmad |
| Subdivision Type2: | County |
| Subdivision Name2: | Boyer-Ahmad |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Sepidar |
| Population As Of: | 2006 |
| Population Total: | 48 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 30.4772°N 51.3975°W |
Tamanak-e Sofla (Persian: تمنك سفلي, also Romanized as Tamānak-e Soflá; also known as Tūmanak-e Pā’īn, Tūmānak-e Soflá, and Tūmanak-e Soflá) is a village in Sepidar Rural District, in the Central District of Boyer-Ahmad County, Kohgiluyeh and Boyer-Ahmad Province, Iran. At the 2006 census, its population was forty-eight, in eight families.