Cognomen Mbongu (Mbongu 
) , in all the world, is a very rare family name. The surname Mbongu is habitual in France, where it is a very rare surname, the United Kingdom, where it is an extremely rare surname, and Canada. Much less frequently, Mbongu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mbongu | United States, United Kingdom, France, Canada |