Selennyakh

General data
- Water type: River
- Progression: Indigirka -> East Siberian Sea -> Arctic ocean -> Planet Earth
- Climates: Continental, Subpolar
- Continents: Asia
- Countries: Russia
Description
The Selennyakh (Russian: Селеннях; Yakut: Силээннээх, romanized: Sileenneex) is a river in Sakha Republic, Russia. It is a left tributary of the Indigirka. The length of the river is 796 kilometres. The area of its drainage basin is 30,800 square kilometres.