Diabaly (pronunciation: /ˌdʒəbəli/) is a small town and rural commune in the Cercle of Niono in the Ségou Region of Mali. The commune has an area of approximately 1,538 square kilometres (594 sq mi) and includes 28 villages as well as the town. In the 2009 census the commune had a population of 35,266. The town lies 50 kilometres (31 mi) north of Niono on the west side of the Fala de Molodo channel that forms part of the Office du Niger irrigation scheme.