| En Name: | Ust-Yudoma |
| Ru Name: | Усть-Юдома |
| Coordinates: | 59.15°N 147°W |
| Map Label Position: | left |
| Federal Subject: | Sakha Republic |
| Adm District Jur: | Ust-Maysky District |
| Adm Selsoviet Jur: | Ust-Maya Urban Okrug |
| Adm Selsoviet Type: | Urban okrug |
| Inhabloc Cat: | Rural locality |
| Inhabloc Type: | Selo |
| Mun District Jur: | Ust-Maysky Municipal District |
| Mun District Jur Ref: | [1] |
| Rural Settlement Jur: | Ust-Maya Urban Settlement |
| Pop 2010Census: | 29 |
Ust-Yudoma (Russian: Усть-Юдома; Yakut: Уус Үдүмэ, Uus Üdüme) is a rural locality (a selo), and one of two settlements in Ust-Maya Urban Okrug of Ust-Maysky District in the Sakha Republic, Russia, in addition to Ust-Maya, the administrative center of the Urban Okrug and the District, from which it is located 183km (114miles) away.[2] Its population as of the 2010 Census was 29,[3] down from 49 recorded during the 2002 Census.
Ust-Yudoma is located on the right bank of the Maya river, a little downstream from the confluence of the Yudoma.[4]
Ust-Yudoma has an extreme subarctic climate (Köppen climate classification: Dfd) with extremely cold winters and warm summers.
