| Official Name: | Dehnow-e Aliabad |
| Native Name: | ده نوعلي اباد |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Hamadan |
| Subdivision Type2: | County |
| Subdivision Name2: | Malayer |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Jowkar |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Almahdi |
| Population As Of: | 2006 |
| Population Total: | 1,417 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 34.4825°N 48.6322°W |
Dehnow-e Aliabad (Persian: ده نوعلي اباد, also Romanized as Dehnow-e ‘Alīābād and Deh Now ‘Alīābād; also known as Deh Now) is a village in Almahdi Rural District, Jowkar District, Malayer County, Hamadan Province, Iran. At the 2006 census, its population was 1,417, in 334 families.