Uolbut (; ) is a rural locality (a selo) in Zharkhansky Rural Okrug of Olyokminsky District in the Sakha Republic, Russia, located from Olyokminsk, the administrative center of the district and from Tokko, the administrative center of the rural okrug. Its population as of the 2002 Census was 313. The closest airport to the city center of Uolbut is Cherskiy Airport, at approximately 480 kilometers away.