尼埃纳是马里的城镇，位于该国南部，由锡卡索区的锡卡索省负责管辖，面积1,040平方公里，海拔高度428米，2009年人口32,265，人口密度每平方公里31人。

Niéna is a small town and rural commune in the Cercle of Sikasso in the Sikasso Region of southern Mali. The commune covers an area of 1,040 square kilometers and includes the town and 42 villages. In the 2009 census it had a population of 32,265. The town is the administrative center (chef-lieu) of the commune. It is 76 km west of Sikasso on the RN7, the main road linking Sikasso and Bougouni.