| Official Name: | Dashtansar |
| Native Name: | دشتانسر |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Gilan |
| Subdivision Type2: | County |
| Subdivision Name2: | Rezvanshahr |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Pareh Sar |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Yeylaqi-ye Ardeh |
| Population As Of: | 2006 |
| Population Total: | 14 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 37.5792°N 48.8406°W |
Dashtansar (Persian: دشتانسر, also Romanized as Dashtānsar; also known as Dashtūnsar) is a village in Yeylaqi-ye Ardeh Rural District, Pareh Sar District, Rezvanshahr County, Gilan Province, Iran. At the 2006 census, its population was 14, in 4 families.