Cognomen Mombo-Niangui (Mombo-Niangui 
) , around the world, is a rare last name. The family name Mombo-Niangui 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 Mombo, and a last name Niangui.
| VARIANT | COUNTRY |
|---|---|
| Mombo-Niangui | Democratic Republic of the Congo |