Surname Mbanja (Mbanja 
) , around the world, is a very rare family name. The family name Mbanja is habitual in Tanzania, where it is a very rare surname, South Africa, and France, where it is an extremely rare surname. Very seldom, Mbanja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mbanja | France, South Africa, Tanzania |