| Official Name: | Sen Sen |
| Native Name: | سن سن |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Isfahan |
| Subdivision Type2: | County |
| Subdivision Name2: | Kashan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Miyandasht |
| Population As Of: | 2006 |
| Population Total: | 1,576 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 34.25°N 51.2775°W |
Sen Sen (Persian: سن سن, also Romanized as Sansen; also known as Sinsin) is a village in Miyandasht Rural District, in the Central District of Kashan County, Isfahan Province, Iran. At the 2006 census, its population was 1,576, in 411 families.