| Official Name: | Kodir Sar |
| Native Name: | كديرسر |
| Settlement Type: | Village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Mazandaran |
| Subdivision Type2: | County |
| Subdivision Name2: | Nur |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Mian Band |
| Population As Of: | 2006 |
| Population Total: | 61 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 36.4306°N 51.8567°W |
Kodir Sar (Persian: كديرسر, also Romanized as Kodīr Sar) is a village in Mian Band Rural District, in the Central District of Nur County, Mazandaran Province, Iran. At the 2006 census, its population was 61, in 20 families.