Nyanza Lac should not be confused with Lake Nyanza.
| Official Name: | Nyanza Lac, Burundi |
| Pushpin Map: | Burundi |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Burundi |
| Subdivision Type: | Country |
| Subdivision Name: | Burundi |
| Subdivision Type1: | Province |
| Subdivision Name1: | Makamba Province |
| Unit Pref: | Imperial |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Coordinates: | -4.3433°N 29.6053°W |
Nyanza Lac is a city in southern Burundi, in Makamba Province. The city is located on the shores of Lake Tanganyika, to the south of Mutambara and close to the border with Tanzania.
The Rwaba River flows southwest to enter Lake Tanganyika just north of Nyanza Lac.The river drains the sedimentary plain of Nyanza-Lac, which is about wide and backed by high ground.