Tumul (; , Tumul) is a rural locality (a selo), one of two settlements, in addition to Kutana, the administrative centre of the Rural Okrug, in Kutaninsky Rural Okrug of Suntarsky District in the Sakha Republic, Russia. It is located from Suntar, the administrative center of the district and from Khordogoy. Its population as of the 2002 Census was 13.