Nenets Autonomous Okrug (; Nenets: Ненёцие автономной ӈокрук, Nenyotse avtonomnoy ŋokruk) is a federal subject of Russia (an autonomous okrug of Arkhangelsk Oblast). Its administrative center is the town of Naryan-Mar. It has an area of and a population of 42,090 as of the 2010 Census (the smallest of all federal subjects by population).