| En Name: | Kulun-Yelbyut |
| Ru Name: | Кулун-Елбют |
| Loc Name1: | Кулун Өлбүт |
| Loc Lang1: | Yakut |
| Coordinates: | 66.7833°N 186°W |
| Map Label Position: | right |
| Federal Subject: | Sakha Republic |
| Adm District Jur: | Momsky District |
| Adm Selsoviet Jur: | Chybagalakhsky Rural Okrug |
| Adm Selsoviet Type: | Rural okrug |
| Adm Ctr Of: | Chybagalakhsky Rural Okrug |
| Inhabloc Cat: | Rural locality |
| Inhabloc Type: | Selo |
| Mun District Jur: | Momsky Municipal District |
| Mun District Jur Ref: | [1] |
| Rural Settlement Jur: | Chybagalakhsky Rural Settlement |
| Mun Admctr Of: | Chybagalakhsky Rural Settlement |
| Pop 2010Census: | 243 |
| Postal Codes: | 678862 |
Kulun-Yelbyut (ru|Кулун-Елбют; sah|Кулун Өлбүт|translit=Kulun Ölbüt) is a rural locality (a selo), the only inhabited locality, and the administrative center of Chybagalakhsky Rural Okrug of Momsky District in the Sakha Republic, Russia, located 70km (40miles) from Khonuu, the administrative center of the district.[2] Its population as of the 2010 Census was 243,[3] down from 300 recorded during the 2002 Census.