| En Name: | Tomtor |
| Ru Name: | Томтор |
| Coordinates: | 63.2628°N 143.2108°W |
| Map Label Position: | left |
| Federal Subject: | Sakha Republic |
| Adm District Jur: | Oymyakonsky District |
| Adm Selsoviet Jur: | Second Borogonsky Rural Okrug |
| Adm Selsoviet Type: | Rural okrug |
| Adm Ctr Of: | Second Borogonsky Rural Okrug |
| Inhabloc Cat: | Rural locality |
| Inhabloc Type: | Selo |
| Mun District Jur: | Oymyakonsky Municipal District |
| Mun District Jur Ref: | [1] |
| Rural Settlement Jur: | Second Borogonsky Rural Settlement |
| Mun Admctr Of: | Second Borogonsky Rural Settlement |
| Pop Latest: | 1,256 |
| Pop Latest Date: | 2002 |
| Postal Codes: | 678750 |
Tomtor (ru|Томтор; sah|Томтор) is a rural locality (a selo), the administrative centre of, and one of four settlements in addition to Aeroport, Agayakan and Kuydusun in Sordonnokhsky Rural Okrug of Oymyakonsky District in the Sakha Republic, Russia. It is located 570km (350miles) from Ust-Nera, the administrative center of the district. Its population as of the 2002 census was 1,256.[2]
Tomtor is located near the left bank of the Kuydusun river, not far from its mouth in the Indigirka.[3]
Tomtor has a monsoon-influenced extreme subarctic climate (Dwd in the Köppen climate classification).
