Surname Mbongo-Ossisso (Mbongo-Ossisso 
) , in the entire world, is a rare last name. The cognomen Mbongo-Ossisso 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 Mbongo.
| VARIANT | COUNTRY |
|---|---|
| Mbongo-Ossisso | Democratic Republic of the Congo |