Niono is a town and commune located in the Ségou Region of Mali. The commune has an area of approximately 491 square kilometers and includes the town and 20 of the surrounding villages. In the 2009 census it had a population of 91,554. The town is the capital of the Niono Cercle, one of six subdivisions (cercles) of the Ségou Region. It lies on the northwest edge of the Inner Niger Delta, near the main channel of the Niger River.