| En Name: | Dyullyukyu |
| Ru Name: | Дюллюкю |
| Other Name: | Дүллүкү |
| Other Lang: | Sakha |
| Coordinates: | 63.6889°N 120.4747°W |
| Map Label Position: | right |
| Federal Subject: | Sakha Republic |
| Adm District Jur: | Verkhnevilyuysky District |
| Adm Selsoviet Jur: | Dyullyukinsky Rural Okrug |
| Adm Selsoviet Type: | Rural okrug |
| Adm Ctr Of: | Dyullyukinsky Rural Okrug |
| Inhabloc Cat: | Rural locality |
| Inhabloc Type: | Selo |
| Mun District Jur: | Verkhnevilyuysky Municipal District |
| Mun District Jur Ref: | [1] |
| Rural Settlement Jur: | Dyullyukinsky Rural Settlement |
| Mun Admctr Of: | Dyullyukinsky Rural Settlement |
| Pop 2010Census: | 1,251 |
| Postal Codes: | 678240 |
Dyullyukyu (Russian: Дюллюкю; Yakut: Дүллүкү, Düllükü) is a rural locality (a selo) and the administrative center of Dyullyukinsky Rural Okrug of Verkhnevilyuysky District in the Sakha Republic, Russia, located 40km (30miles) from Verkhnevilyuysk, the administrative center of the district.[2] Its population as of the 2010 Census was 1,251,[3] of whom 604 were male and 647 female, up from 1,173 as recorded during the 2002 Census.[4]