| Official Name: | Kulbakul-e Bozorg |
| Native Name: | كول باكول بزرگ |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Fars |
| Subdivision Type2: | County |
| Subdivision Name2: | Rostam |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Rostam-e Yek |
| Population As Of: | 2006 |
| Population Total: | 68 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 30.2858°N 51.4353°W |
Kulbakul-e Bozorg (Persian: كول باكول بزرگ, also Romanized as Kūlbākūl-e Bozorg; also known as Kūlbākūn, Kūlbākūn-e Pā‘īn, and Kūlbākūn Pā‘īn) is a village in Rostam-e Yek Rural District, in the Central District of Rostam County, Fars Province, Iran. At the 2006 census, its population was 68, in 12 families.