Family name Okemba-Mampassi (Okemba-Mampassi 
) , worldwide, is a rare last name. The surname Okemba-Mampassi 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 Okemba, and a last name Mampassi.
| VARIANT | COUNTRY |
|---|---|
| Okemba-Mampassi | Democratic Republic of the Congo |