| En Name: | Chay |
| Ru Name: | Чай |
| Other Name: | Чай |
| Other Lang: | Yakut |
| Coordinates: | 63.85°N 155°W |
| Map Label Position: | right |
| Federal Subject: | Sakha Republic |
| Adm District Jur: | Vilyuysky District |
| Adm Selsoviet Jur: | Borogonsky Rural Okrug |
| Adm Selsoviet Type: | Rural okrug |
| Adm Ctr Of: | Borogonsky Rural Okrug |
| Inhabloc Cat: | Rural locality |
| Inhabloc Type: | Selo |
| Mun District Jur: | Vilyuysky Municipal District |
| Mun District Jur Ref: | [1] |
| Rural Settlement Jur: | Borogonsky Rural Settlement |
| Mun Admctr Of: | Borogonsky Rural Settlement |
| Pop 2010Census: | 479 |
| Postal Codes: | 678215 |
Chay (Russian: Чай; Yakut: Чай, Çay) is a rural locality (a selo) and the administrative center of Borogonsky Rural Okrug in Vilyuysky District of the Sakha Republic, Russia, located 117km (73miles) from Vilyuysk, the administrative center of the district.[2] Its population as of the 2010 Census was 479;[3] up from 478 recorded in the 2002 Census.