| En Name: | Elyasin |
| Ru Name: | Элясин |
| Coordinates: | 62.6167°N 162°W |
| Map Label Position: | right |
| Federal Subject: | Sakha Republic |
| Adm District Jur: | Ust-Aldansky District |
| Adm Selsoviet Jur: | Borogonsky Rural Okrug |
| Adm Selsoviet Type: | Rural okrug |
| Inhabloc Cat: | Rural locality |
| Inhabloc Type: | Selo |
| Mun District Jur: | Ust-Aldansky Municipal District |
| Mun District Jur Ref: | [1] |
| Rural Settlement Jur: | Borogonsky Rural Settlement |
| Pop 2002Census: | 100 |
Elyasin (Russian: Элясин; Yakut: Элэһин, Elehin) is a rural locality (a selo) in Borogonsky Rural Okrug of Ust-Aldansky District in the Sakha Republic, Russia, located 40km (30miles) from Borogontsy, the administrative center of the district and 20km (10miles) from Tumul, the administrative center of the rural okrug.[2] Its population as of the 2002 Census was 100.