Around the globe, Koumba-Mboumba (Koumba-Mboumba 
) is an extremely rare unknown gender forename. Much more prevalently, Koumba-Mboumba is the last name as well as the forename. Parts of the name also exists independently as a last name Koumba, and a last name Mboumba.
| VARIANT | COUNTRY |
|---|---|
| Koumba-Mboumba | Democratic Republic of the Congo |