| Official Name: | Gav Piazi |
| Native Name: | گاوپيازي |
| 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: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Javid-e Mahuri |
| Population As Of: | 2006 |
| Population Total: | 656 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 30.1875°N 51.5964°W |
Gav Piazi (Persian: گاوپيازي, also Romanized as Gāv Pīāzī; also known as Bardeyālī) is a village in Javid-e Mahuri Rural District, in the Central District of Mamasani County, Fars Province, Iran. At the 2006 census, its population was 656, in 149 families.