| Official Name: | Gerdab-e Piazi |
| Native Name: | گرداب پيازي |
| Settlement Type: | Village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Fars |
| Subdivision Type2: | County |
| Subdivision Name2: | Mamasani |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Mahvarmilani |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Mishan |
| Population As Of: | 2006 |
| Population Total: | 70 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 29.9328°N 51.0969°W |
Gerdab-e Piazi (Persian: گرداب پيازي, also Romanized as Gerdāb-e Pīāzī; also known as Khorshevā, Par-e Ja‘far, and Par-i-Ja‘far) is a village in Mishan Rural District, Mahvarmilani District, Mamasani County, Fars Province, Iran. At the 2006 census, its population was 70, in 13 families.