| Official Name: | Rud Posht |
| Native Name: | رودپشت |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Mazandaran |
| Subdivision Type2: | County |
| Subdivision Name2: | Sari |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Esfivard-e Shurab |
| Leader Name: | hushang rudposhti |
| Population As Of: | 2016 |
| Population Total: | 1500 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 36.5258°N 53.0161°W |
Rud Posht (Persian: رودپشت, also Romanized as Rūd Posht) is a village in Esfivard-e Shurab Rural District, in the Central District of Sari County, Mazandaran Province, Iran. At the 2016 census, its population was 1500, in 330 families.