涅任是乌克兰的城市，位于该国北部的奥斯捷尔河畔，距离首都基辅150公里，由切尔尼戈夫州负责管辖，面积43.2平方公里，2011年人口74,058。

Nizhyn (Ukrainian:Ніжин, Russian:Не́жин, Polish:Nieżyn) is a city located in the Chernihiv Oblast (province) of northern Ukraine, along the Oster River, 150 km (93 mi) north-east of the nation's capital, Kyiv. It is the administrative center of the Nizhyn Raion, though the city itself is also designated as a district in the oblast. Once a major city of the Chernigov Governorate, it had estimated population of 76,625 at the 2001 census.