| Official Name: | Sadabad |
| Native Name: | سعداباد |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Razavi Khorasan |
| Subdivision Type2: | County |
| Subdivision Name2: | Roshtkhar |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Jangal |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Shabeh |
| Population As Of: | 2006 |
| Population Total: | 362 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 34.9217°N 59.3514°W |
Sadabad (Persian: سعداباد, also Romanized as Sa‘dābād; also known as Saiyidābād and Seyyedābād) is a village in Shabeh Rural District, Jangal District, Roshtkhar County, Razavi Khorasan Province, Iran. At the 2006 census, its population was 362, in 99 families.