| Official Name: | Sadgorgan va Ettehad Seh |
| Native Name: | سدگرگان و اتحاد 3 |
| Settlement Type: | village |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Golestan |
| Subdivision Type2: | County |
| Subdivision Name2: | Aqqala |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Voshmgir |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Mazraeh-ye Shomali |
| Population As Of: | 2006 |
| Population Total: | 118 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
Sadgorgan va Ettehad Seh (Persian: سدگرگان و اتحاد 3, also Romanized as Sadgorgān va Etteḩād Seh) is a village in Mazraeh-ye Shomali Rural District, Voshmgir District, Aqqala County, Golestan Province, Iran. At the 2006 census, its population was 118, in 23 families.