Cognomen Ngavouka-Gambou (Ngavouka-Gambou 
) , around the globe, is a rare surname. The surname Ngavouka-Gambou is habitual in 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 Ngavouka, and a last name Gambou.
| VARIANT | COUNTRY |
|---|---|
| Ngavouka-Gambou | Democratic Republic of the Congo |