| Official Name: | Vasmeh Jan |
| Native Name: | وسمه جان |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Gilan |
| Subdivision Type2: | County |
| Subdivision Name2: | Siahkal |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Deylaman |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Pir Kuh |
| Population As Of: | 2006 |
| Population Total: | 106 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 36.8006°N 50.0494°W |
Vasmeh Jan (Persian: وسمه جان, also Romanized as Vasmeh Jān; also known as Vasmjān and Vasmjān-e Pā’īn) is a village in Pir Kuh Rural District, Deylaman District, Siahkal County, Gilan Province, Iran. At the 2006 census, its population was 106, in 33 families.