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.