Surname Bilombo-Oumba (Bilombo-Oumba 
) , around the globe, is an extremely rare family name. The last name Bilombo-Oumba is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a last name Bilombo, and a last name Oumba.
| VARIANT | COUNTRY |
|---|---|
| Bilombo-Oumba | United States |