| Official Name: | Saadatabad-e Vasat |
| Native Name: | سعادت ابادوسط |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Fars |
| Subdivision Type2: | County |
| Subdivision Name2: | Marvdasht |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Seyyedan |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Rahmat |
| Population As Of: | 2006 |
| Population Total: | 472 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 29.8886°N 53.1147°W |
Saadatabad-e Vasat (fa|سعادت ابادوسط, also Romanized as Sa‘ādatābād-e Vasaţ; also known as Sa‘ādatābād, Sa‘ādatābād-e Baghal, Sa‘adatābād-e Baghalī, Sa‘ādatābād-e Vosţā, Sa‘ādatābād-e Vosţá, and Sa‘adat Abad Khafrak) is a village in Rahmat Rural District, Seyyedan District, Marvdasht County, Fars Province, Iran. At the 2006 census, its population was 472, in 121 families.