Oulad Gnaou is a small town and rural commune in Béni Mellal Province of the Tadla-Azilal region of Morocco. At the time of the 2004 census, the commune had a total population of 11256 people living in 1961 households. The town is located 15.6 kilometres (9.7 mi) west by road from Beni Mellal. Agriculture forms the backbone of the local economy; in 1950-51 experiment were conducted into irrigating wheat crops in the commune.  The growth of irrigation in the area was facilitated by the famine of 1945.The land in the commune is semi-arid.