| Official Name: | Kohneh Sara |
| Native Name: | كهنه سرا |
| Settlement Type: | village |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Gilan |
| Subdivision Type2: | County |
| Subdivision Name2: | Siahkal |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Tutaki |
| Population As Of: | 2006 |
| Population Total: | 120 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
Kohneh Sara (Persian: كهنه سرا, also Romanized as Kohneh Sarā) is a village in Tutaki Rural District, in the Central District of Siahkal County, Gilan Province, Iran. At the 2006 census, its population was 120, in 33 families.