Last name Banga-Koumou (Banga-Koumou 
) , worldwide, is a rare family name. The cognomen Banga-Koumou is characteristic of Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is a rare surname. Parts of the name also exists independently as a last name Banga, and a last name Koumou.
| VARIANT | COUNTRY |
|---|---|
| Banga-Koumou | Democratic Republic of the Congo |