| En Name: | Orosu |
| Ru Name: | Оросу |
| Loc Name1: | Ороһу |
| Loc Lang1: | Yakut |
| Coordinates: | 63.5°N 120.7467°W |
| Map Label Position: | left |
| Federal Subject: | Sakha Republic |
| Adm District Jur: | Verkhnevilyuysky District |
| Adm Selsoviet Jur: | Orosunsky Rural Okrug |
| Adm Selsoviet Type: | Rural okrug |
| Adm Ctr Of: | Orosunsky Rural Okrug |
| Inhabloc Cat: | Rural locality |
| Inhabloc Type: | Selo |
| Mun District Jur: | Verkhnevilyuysky Municipal District |
| Mun District Jur Ref: | [1] |
| Rural Settlement Jur: | Orosunsky Rural Settlement |
| Mun Admctr Of: | Orosunsky Rural Settlement |
| Pop 2010Census: | 730 |
Orosu (Russian: Оросу; Yakut: Ороһу|translit=Orohu) is a rural locality (a selo), the only inhabited locality, and the administrative center of Orosunsky Rural Okrug of Verkhnevilyuysky District in the Sakha Republic, Russia, located 25km (16miles) from Verkhnevilyuysk, the administrative center of the district. Across the river to the east is Tamalakan. Its population as of the 2010 Census was 730,[2] of whom 344 were male and 386 female, up from 719 as recorded during the 2002 Census.[3]