Surname Koumba-Mbitsi (Koumba-Mbitsi 
) , around the globe, is a rare cognomen. The family name Koumba-Mbitsi is characteristic of 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 Koumba, and a last name Mbitsi.
| VARIANT | COUNTRY |
|---|---|
| Koumba-Mbitsi | Democratic Republic of the Congo |