| Official Name: | Qalat-e Nilu |
| Native Name: | قلات نيلو |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Fars |
| Subdivision Type2: | County |
| Subdivision Name2: | Kazerun |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Jereh and Baladeh |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Famur |
| Population As Of: | 2006 |
| Population Total: | 857 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 29.5061°N 51.8789°W |
Qalat-e Nilu (Persian: قلات نيلو, also Romanized as Qalāt-e Nīlū) is a village in Famur Rural District, Jereh and Baladeh District, Kazerun County, Fars Province, Iran. At the 2006 census, its population was 857, in 182 families.