| Official Name: | Dehnowvan |
| Native Name: | دهنوون |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | South Khorasan |
| Subdivision Type2: | County |
| Subdivision Name2: | Tabas |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Dastgerdan |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Dastgerdan |
| Population As Of: | 2006 |
| Population Total: | 82 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 34.3703°N 57.1214°W |
Dehnowvan (fa|دهنوون; also known as Deh-e Now Bam, Deh-e Now Band, Deh-i-Nauband, Deh Now, and Deh Now-e Bam) is a village in Dastgerdan Rural District, Dastgerdan District, Tabas County, South Khorasan Province, Iran. At the 2006 census, its population was 82, in 32 families.