| En Name: | Ulakhan-Mungku |
| Ru Name: | Улахан-Мунгку |
| Coordinates: | 60.4333°N 132°W |
| Map Label Position: | right |
| Federal Subject: | Sakha Republic |
| Adm District Jur: | Olyokminsky District |
| Adm Selsoviet Jur: | Ulakhan-Mungkunsky Rural Okrug |
| Adm Selsoviet Type: | Rural okrug |
| Adm Ctr Of: | Ulakhan-Mungkunsky Rural Okrug |
| Inhabloc Cat: | Rural locality |
| Inhabloc Type: | Selo |
| Mun District Jur: | Olyokminsky Municipal District |
| Mun District Jur Ref: | [1] |
| Rural Settlement Jur: | Ulakhan-Mungkunsky Rural Settlement |
| Mun Admctr Of: | Ulakhan-Mungkunsky Rural Settlement |
| Pop 2010Census: | 394 |
Ulakhan-Mungku (Russian: Улахан-Мунгку; Yakut: Улахан Муҥку, Ulaxan Muŋku) is a rural locality (a selo) and the administrative center of Ulakhan-Mungkunsky Rural Okrug in Olyokminsky District of the Sakha Republic, Russia, located 15km (09miles) from Olyokminsk, the administrative center of the district.[2] Its population as of the 2010 Census was 394,[3] down from 423 recorded in the 2002 Census.