Cognomen Loubaki-Mangoubi (Loubaki-Mangoubi 
) , throughout the world, is a rare family name. The family name Loubaki-Mangoubi 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 Loubaki, and a last name Mangoubi.
| VARIANT | COUNTRY |
|---|---|
| Loubaki-Mangoubi | Democratic Republic of the Congo |