Cognomen Mfoumou-Mbengui (Mfoumou-Mbengui 
) , around the globe, is a rare family name. The last name Mfoumou-Mbengui 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 Mfoumou, and a last name Mbengui.
| VARIANT | COUNTRY |
|---|---|
| Mfoumou-Mbengui | Democratic Republic of the Congo |