Surname Mbumi (Mbumi 
) , in all the world, is a rare last name. The cognomen Mbumi is habitual in Tanzania, where it is a rare surname, South Africa, where it is a very rare surname, and France, where it is an extremely rare surname. Also, Mbumi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mbumi | Tanzania, South Africa, France, Brazil, Nigeria |