| En Name: | Byas-Kyuyol |
| Ru Name: | Бясь-Кюёль |
| Coordinates: | 59.4833°N 139°W |
| Map Label Position: | left |
| Federal Subject: | Sakha Republic |
| Adm District Jur: | Olyokminsky District |
| Adm Selsoviet Jur: | Charinsky National Rural Okrug |
| Adm Selsoviet Type: | Rural okrug |
| Adm Ctr Of: | Charinsky National Rural Okrug |
| Inhabloc Cat: | Rural locality |
| Inhabloc Type: | Selo |
| Mun District Jur: | Olyokminsky Municipal District |
| Mun District Jur Ref: | [1] |
| Rural Settlement Jur: | Charinsky National Rural Settlement |
| Mun Admctr Of: | Charinsky National Rural Settlement |
| Pop 2010Census: | 215 |
| Postal Codes: | 678111 |
Byas-Kyuyol (Russian: Бясь-Кюёль; Yakut: Бэс Күөл, Bes Küöl) is a rural locality (a selo), the only inhabited locality, and the administrative center of Charinsky National Rural Okrug of Olyokminsky District in the Sakha Republic, Russia, located 190km (120miles) from Olyokminsk, the administrative center of the district. Its population as of the 2010 Census was 215,[2] of whom 109 were male and 106 female, down from 266 as recorded during the 2002 Census.[3]