| Official Name: | Mazru |
| Native Name: | مزرو |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Fars |
| Subdivision Type2: | County |
| Subdivision Name2: | Jahrom |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Kordian |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Alaviyeh |
| Population As Of: | 2006 |
| Population Total: | 41 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 28.8572°N 54.4689°W |
Mazru (Persian: مزرو, also Romanized as Mazrū, Mazroo, and Mazrow; also known as Marrū) is a village in Alaviyeh Rural District, Kordian District, Jahrom County, Fars Province, Iran. At the 2006 census, its population was 41, in 5 families.