Globally, Nianga-Okandze (Nianga-Okandze 
) is an extremely rare unknown gender given name. Predominantly, Nianga-Okandze is the last name as well as the forename. Parts of the name also exists independently as a last name Nianga, and a last name Okandze.
| VARIANT | COUNTRY |
|---|---|
| Nianga-Okandze | Democratic Republic of the Congo |