Surname Makoumbou-Oumba (Makoumbou-Oumba 
) , in the entire world, is a rare cognomen. The last name Makoumbou-Oumba 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 Makoumbou, and a last name Oumba.
| VARIANT | COUNTRY |
|---|---|
| Makoumbou-Oumba | Democratic Republic of the Congo |