| Official Name: | Gaztaf-e Sofla |
| Native Name: | گزطاف سفلي |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Markazi |
| Subdivision Type2: | County |
| Subdivision Name2: | Shazand |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Sarband |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Hendudur |
| Population As Of: | 2006 |
| Population Total: | 16 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 33.6544°N 49.2142°W |
Gaztaf-e Sofla (Persian: گزطاف سفلي, also Romanized as Gazţāf-e Soflá; also known as Gaz Şāf-e Soflá and Gazţāf-e Pā’īn) is a village in Hendudur Rural District, Sarband District, Shazand County, Markazi Province, Iran. At the 2006 census, its population was 16, in 4 families.