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