| Official Name: | Sarmargan Naleyn |
| Native Name: | سرمرگان نعلين |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | West Azerbaijan |
| Subdivision Type2: | County |
| Subdivision Name2: | Sardasht |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Vazineh |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Gavork-e Nalin |
| Population As Of: | 2006 |
| Population Total: | 97 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 36.38°N 45.4242°W |
Sarmargan Naleyn (Persian: سرمرگان نعلين, also Romanized as Sarmargān Na‘leyn; also known as Sepīdār Na‘leyn) is a village in Gavork-e Nalin Rural District, Vazineh District, Sardasht County, West Azerbaijan Province, Iran. At the 2006 census, its population was 97, in 13 families.