| Official Name: | Jal-e Chala Sar |
| Native Name: | جل چلاسر |
| Settlement Type: | village |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Mazandaran |
| Subdivision Type2: | County |
| Subdivision Name2: | Tonekabon |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Goli Jan |
| Population As Of: | 2006 |
| Population Total: | 260 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
Jal-e Chala Sar (Persian: جل چلاسر, also Romanized as Jal-e Chalā Sar) is a village in Goli Jan Rural District, in the Central District of Tonekabon County, Mazandaran Province, Iran. At the 2006 census, its population was 260, in 71 families.