| Official Name: | Dizadiz |
| Native Name: | ديزاديز |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Name: | Iran |
| Subdivision Type1: | Province |
| Subdivision Name1: | Razavi Khorasan |
| Subdivision Type2: | County |
| Subdivision Name2: | Quchan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Sudlaneh |
| Population As Of: | 2006 |
| Population Total: | 1,104 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 37.0881°N 58.7397°W |
Dizadiz (Persian: ديزاديز, also Romanized as Dīzādīz) is a village in Sudlaneh Rural District, in the Central District of Quchan County, Razavi Khorasan Province, Iran. At the 2006 census, its population was 1,104, in 256 families.
The people in Dizadiz speak a kind of Azeri language. However, some original Kurdish people immigrated a few hundred years ago and settled in Dizadiz.