| Official Name: | Sini |
| Native Name: | سيني |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Chaharmahal and Bakhtiari |
| Subdivision Type2: | County |
| Subdivision Name2: | Lordegan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Khanmirza |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Khanmirza |
| Population As Of: | 2006 |
| Population Total: | 1,314 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 31.5567°N 51.0461°W |
Sini (fa|سيني, also Romanized as Sīnī) is a village in Khanmirza Rural District, Khanmirza District, Lordegan County, Chaharmahal and Bakhtiari Province, Iran. At the 2006 census, its population was 1,314, in 276 families.