| En Name: | Maralayy |
| Ru Name: | Маралайы |
| Loc Name1: | Маралаайы |
| Loc Lang1: | Yakut |
| Coordinates: | 61.9833°N 186°W |
| Map Label Position: | right |
| Federal Subject: | Sakha Republic |
| Adm District Jur: | Churapchinsky District |
| Adm Selsoviet Jur: | Mugudaysky Rural Okrug |
| Adm Selsoviet Type: | Rural okrug |
| Adm Ctr Of: | Mugudaysky Rural Okrug |
| Inhabloc Cat: | Rural locality |
| Inhabloc Type: | Selo |
| Mun District Jur: | Churapchinsky Municipal District |
| Mun District Jur Ref: | [1] |
| Rural Settlement Jur: | Mugudaysky Rural Settlement |
| Mun Admctr Of: | Mugudaysky Rural Settlement |
| Pop 2010Census: | 837 |
| Postal Codes: | 678682 |
Maralayy (Russian: Маралайы; Yakut: Маралаайы, Maralaayı) is a rural locality (a selo), the only inhabited locality, and the administrative center of Mugudaysky Rural Okrug of Churapchinsky District in the Sakha Republic, Russia, located 33km (21miles) from Churapcha, the administrative center of the district.[2] Its population as of the 2010 Census was 837,[3] up from 778 as recorded during the 2002 Census.[4]