| En Name: | Tomtor |
| Ru Name: | Томтор |
| Coordinates: | 62.65°N 188°W |
| Map Label Position: | left |
| Federal Subject: | Sakha Republic |
| Adm District Jur: | Tattinsky District |
| Adm Selsoviet Jur: | Bayaginsky Rural Okrug |
| Adm Selsoviet Type: | Rural okrug |
| Adm Ctr Of: | Bayaginsky Rural Okrug |
| Inhabloc Cat: | Rural locality |
| Inhabloc Type: | Selo |
| Mun District Jur: | Tattinsky Municipal District |
| Mun District Jur Ref: | [1] |
| Rural Settlement Jur: | Bayaginsky Rural Settlement |
| Mun Admctr Of: | Bayaginsky Rural Settlement |
| Pop 2010Census: | 1,051 |
| Postal Codes: | 678643 |
Tomtor (Russian: Томтор; Yakut: Томтор) is a rural locality (a selo), the only inhabited locality, and the administrative center of Bayaginsky Rural Okrug of Tattinsky District in the Sakha Republic, Russia, located 60km (40miles) from Ytyk-Kyuyol, the administrative center of the district. Its population as of the 2010 Census was 1,051,[2] of whom 519 were male and 532 female, up from 1,013 as recorded during the 2002 Census.[3]