Last name Намба (Namba 
, Nanba 
, Намба 
) , globally, is quite a rare surname. The surname Намба is habitual in Papua New Guinea, where it is quite a rare surname, South Africa, and Cameroon. Measured by absolute frequency, this name is the most popular in South Africa, Brazil, and Papua New Guinea. Very seldom, Намба is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Namba | Brazil, Cameroon, Papua New Guinea, United States, South Africa |
| Nanba | Brazil, Nigeria, Japan, United States, India |
| Намба | Russia |