| Official Name: | Nowdeh |
| Native Name: | نوده |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Markazi |
| Subdivision Type2: | County |
| Subdivision Name2: | Ashtian |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Siyavashan |
| Population As Of: | 2006 |
| Population Total: | 258 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 34.4625°N 49.8172°W |
Nowdeh (Persian: نوده, also Romanized as Nūdeh; also known as Now Deh-e Najafābād) is a village in Siyavashan Rural District, in the Central District of Ashtian County, Markazi Province, Iran. At the 2006 census, its population was 258, in 88 families.