Surname Nkoumba (Nkoumba 
) , all around the world, is quite a rare last name. The last name Nkoumba is habitual in the Democratic Republic of the Congo, where it is quite a rare surname, Cameroon, and France, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Nkoumba | Democratic Republic of the Congo, France, United States, Cameroon |