| En Name: | Zarechny |
| Ru Name: | Заречный |
| Loc Name1: | Заречнай |
| Loc Lang1: | Yakut |
| Coordinates: | 60.3333°N 147°W |
| Map Label Position: | left |
| Federal Subject: | Sakha Republic |
| Adm District Jur: | Olyokminsky District |
| Adm Selsoviet Jur: | Zarechny Village |
| Adm Selsoviet Type: | Rural okrug |
| Adm Ctr Of: | Zarechny Village |
| Inhabloc Cat: | Rural locality |
| Inhabloc Type: | Selo |
| Mun District Jur: | Olyokminsky Municipal District |
| Mun District Jur Ref: | [1] |
| Rural Settlement Jur: | Zarechny Village |
| Mun Admctr Of: | Zarechny Village |
| Pop 2010Census: | 620 |
| Postal Codes: | 678100 |
Zarechny (Russian: Заречный) is a rural locality (a selo), the only inhabited locality, and the administrative center of Zarechny Village of Olyokminsky District in the Sakha Republic, Russia, located 3km (02miles) from Olyokminsk, the administrative center of the district. Its population as of the 2010 Census was 620,[2] of whom 327 were male and 293 female, down from 674 as recorded during the 2002 Census.[3]