| Official Name: | Qaleh-ye Nazer |
| Native Name: | قلعه ناظر |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Isfahan |
| Subdivision Type2: | County |
| Subdivision Name2: | Tiran and Karvan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Karvan |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Karvan-e Olya |
| Population As Of: | 2006 |
| Population Total: | 1,241 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 32.8842°N 50.8175°W |
Qaleh-ye Nazer (Persian: قلعه ناظر, also Romanized as Qal‘eh-ye Nāz̧er, Qal‘eh Nazar, and Qal‘eh Nāz̧er) is a village in Karvan-e Olya Rural District, Karvan District, Tiran and Karvan County, Isfahan Province, Iran. At the 2006 census, its population was 1,241, in 315 families.