Bani-Bangou (var. Banibanagan) is a town in southwestern Niger, in rural northern Ouallam Department, Tillabéri Region. On the main highway from Ouallam on the route to the Malian border town of Andéramboukane. It is 135 km northeast of Ouallam and 70 km by road from Mali. It around 200 km cross country from Niamey. The town is the seat of a "Rural Commune" of the same name, one of four rural communes in the Department.