尚古古是非洲中部国家卢旺达的城市，由西部省负责管辖，位于该国西部基伏湖南端，在鲁济济河对岸是刚果民主共和国城市布卡武，毗邻纽格威国家公园，2002年人口估计约19,900。

Cyangugu (formerly Shangugu) is a city and capital of the Ruzizi District in Western Province, Rwanda. The city lies at the southern end of Lake Kivu, and is contiguous with Bukavu, Democratic Republic of the Congo, but separated from it by the Ruzizi River. Two bridges and a dam cross the river frontier.