Almazny ( ; ) is an urban locality (an urban-type settlement) in Mirninsky District of the Sakha Republic, Russia, located 20 kilometers from Mirny, the administrative center of the district, Registry of the Administrative-Territorial Divisions of the Sakha Republic on the border of the Lena and Vilyuy Plateaus, on the Irelyakh River, at its confluence with the Ochchuguy-Botuobuya, a tributary of the Vilyuy.