Ytyk-Kyuyol (Russian: Ытык-Кюёль; Sakha: Ытык-Күөл) is a village (selo) in the Sakha Republic, Russia, located on the left bank of the Tatta River (Aldan's basin), 255 kilometers (158 mi) from Yakutsk. It is the administrative center of Tattinsky Ulus. Population: 6,267 (2002 Census); 5,658 (1989 Census). Postal code: 678650.
The village name etymology comes from the name of the lake with the same name located nearby, meaning "The Sacred Lake".
It is an agricultural center with developed cattle breeding.
There are two middle-grade schools, a gymnasium, a music school, and a sport school in the village, as well as the literary-artistic museum-reserve "Tatta".
On May 20, 2007 the village experienced a flood, with 873 houses being submerged under water. More than 3,000 people had to be evacuated.