Kwilu may refer to Kwilu River, a river in Angola and the Democratic Republic of the Congo, tributary of the Kwango River near its confluence with the Kasai River near Bandundu Kwilu River, a river in Angola and at the border with the Democratic Republic of the Congo, tributary of the Kwango River near Popokabaka Kwilu River, a river in Angola and the Democratic Republic of the Congo, tributary of the Congo River in Mayombe Kwilu dynasty, a ruling family in the Kingdom of Kongo Kwilu Province, a province of the Democratic Republic of the Congo Kwilu Ngongo, a town in the Democratic Republic of the Congo near the Angolan border Nsi Kwilu, the region along the Kwilu River Kouilou-Niari River, a river in the Republic of the Congo