| Official Name: | Sahmui-ye Jonubi |
| Native Name: | سهموي جنوبي |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Bushehr |
| Subdivision Type2: | County |
| Subdivision Name2: | Asaluyeh |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Chah-e Mobarak |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Chah-e Mobarak |
| Population As Of: | 2006 |
| Population Total: | 756 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 27.3406°N 52.8389°W |
Sahmui-ye Jonubi (Persian: سهموي جنوبي, also Romanized as Sahmūī-ye Jonūbī; also known as Sahmoo Jonoobi, Sahmū, Sahmū-e Pā’īn, Sahmū Janūbī, Sahmū Pā’īn, Sahmū-ye Janūbī, and Sahmū-ye Jonūbī) is a village in Chah-e Mobarak Rural District, Chah-e Mobarak District, Asaluyeh County, Bushehr Province, Iran. At the 2006 census, its population was 756, in 114 families.