| Official Name: | Jayin |
| Native Name: | جايين |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Hormozgan |
| Subdivision Type2: | County |
| Subdivision Name2: | Hajjiabad |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Fareghan |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Ashkara |
| Population As Of: | 2006 |
| Population Total: | 1,572 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 28.15°N 56.03°W |
Jayin (Persian: جايين, also Romanized as Jāyīn; also known as Jāīn) is a village in Ashkara Rural District, Fareghan District, Hajjiabad County, Hormozgan Province, Iran. At the 2006 census, its population was 1,572, in 380 families.