| Official Name: | Machek Posht |
| Native Name: | ماچك پشت |
| 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 |
| Population As Of: | 2013 |
| Population Total: | 3,000 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 36.5603°N 52.9397°W |
Machek Posht (Persian: ماچك پشت, also Romanized as Māchak Posht) is a village in Esfivard-e Shurab Rural District, in the Central District of Sari County, Mazandaran Province, Iran. At the 2006 census, its population was 3,000, in 800 families.
machek is a term with roots in Eastern Europe and The name of the river that passes through the center of the village and finallyTo join Siahrud.