| Official Name: | Nasr ol Din |
| Native Name: | نصرالدين |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | South Khorasan |
| Subdivision Type2: | County |
| Subdivision Name2: | Darmian |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Gazik |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Gazik |
| Population As Of: | 2006 |
| Population Total: | 546 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 32.9153°N 60.2553°W |
Nasr ol Din (Persian: نصرالدين, also Romanized as Naşr ol Dīn and Naşr od Dīn; also known as Nasradi, Nasreddin, and Nasredī) is a village in Gazik Rural District, Gazik District, Darmian County, South Khorasan Province, Iran. At the 2006 census, its population was 546, in 119 families.