| Official Name: | Dul Beyn |
| Native Name: | دولبين |
| Settlement Type: | Village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Gilan |
| Subdivision Type2: | County |
| Subdivision Name2: | Talesh |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Saheli-ye Jokandan |
| Population As Of: | 2006 |
| Population Total: | 378 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 37.9917°N 48.8069°W |
Dul Beyn (Persian: دولبين, also Romanized as Dūl Beyn; also known as Dūlbīn-e Bālā and Dūlīn) is a village in Saheli-ye Jokandan Rural District, in the Central District of Talesh County, Gilan Province, Iran. At the 2006 census, its population was 378, in 94 families.
The linguistic composition of the village is as follows:[1]