Family name Ntumbu (Ntumbu 
) , around the world, is a very rare surname. The family name Ntumbu is habitual in South Africa, where it is a rare surname, and Canada, where it is an extremely rare surname. Much less frequently, Ntumbu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ntumbu | Canada, South Africa |