| Official Name: | Qaleh Gar-e Fahlian |
| Native Name: | قلعه گرفهليان |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Fars |
| Subdivision Type2: | County |
| Subdivision Name2: | Mamasani |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Fahlian |
| Population As Of: | 2006 |
| Population Total: | 412 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 30.1881°N 51.5172°W |
Qaleh Gar-e Fahlian (Persian: قلعه گرفهليان, also Romanized as Qal‘eh Gar-e Fahlīān; also known as Gar-e Fahlīān, Qal‘eh Gar, Qal‘eh-ye Gar, Qal‘eh-ye Gardaneh, and Qal’eh-ye Gardū) is a village in Fahlian Rural District, in the Central District of Mamasani County, Fars Province, Iran. At the 2006 census, its population was 412, in 97 families.