Rusizi
Rusizi may refer to:

 Rusizi River, a river which flows between Lakes Kivu and Tanganyika, in Rwanda, Burundi and the DRC
 Rusizi National Park, a park based on the river Rusizi near Bujumbura, Burundi
 Rusizi (district), a district in Western Province, Rwanda
 Cyangugu, capital of Rusizi district, also sometimes known as Rusizi