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