| Official Name: | Farq Sar-e Pain |
| Native Name: | فرق سرپائين |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Golestan |
| Subdivision Type2: | County |
| Subdivision Name2: | Maraveh Tappeh |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Maraveh Tappeh |
| Population As Of: | 2006 |
| Population Total: | 796 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 37.9139°N 56.1008°W |
Farq Sar-e Pain (Persian: فرق سرپائين, also Romanized as Farq Sar-e Pā’īn; also known as Farq Sar and Farkhasar) is a village in Maraveh Tappeh Rural District, in the Central District of Maraveh Tappeh County, Golestan Province, Iran. At the 2006 census, its population was 796, in 129 families.