Tyokhtyur (; , Töxtür) is a rural locality (a selo), the administrative centre of and one of two settlements, in addition to Karapatskoye, in Tyokhtyursky Rural Okrug of Khangalassky District in the Sakha Republic, Russia. It is located from Pokrovsk, the administrative center of the district. Its population as of the 2002 Census was 703.
The famous Mount Suullar Myraan is located in the selo, by the Suola River valley.