| Official Name: | Deh-e Now |
| Native Name: | ده نو |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Tehran |
| Subdivision Type2: | County |
| Subdivision Name2: | Rey |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Kahrizak |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Kahrizak |
| Population As Of: | 2006 |
| Population Total: | 276 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 35.5103°N 51.3917°W |
Deh-e Now (Persian: ده نو, also Romanized as Deh Now) is a village in Kahrizak Rural District, Kahrizak District, Ray County, Tehran Province, Iran. At the 2006 census, its population was 276, in 65 families.