| Official Name: | Deh Now-ye Khaleseh |
| Native Name: | دهنو خالصه |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Razavi Khorasan |
| Subdivision Type2: | County |
| Subdivision Name2: | Nishapur |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Mazul |
| Population As Of: | 2006 |
| Population Total: | 2,519 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 36.2267°N 58.7722°W |
Deh Now-ye Khaleseh (Persian: دهنو خالصه, also Romanized as Deh Now-ye Khāleşeh, Deh Now-e Khāleşeh, and Deh Now Khāleşeh; also known as Deh-i-Nau, Deh Nau, Deh Now, and Deh Now-ye Kenār Gūsheh) is a village in Mazul Rural District, in the Central District of Nishapur County, Razavi Khorasan Province, Iran. At the 2006 census, its population was 2,519, in 657 families.