Surname Nkiani (Nkiani 
) , around the world, is a rare family name. The cognomen Nkiani is characteristic of the Democratic Republic of the Congo, where it is a rare surname, Belgium, where it is a very rare surname, and France, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Nkiani | France, Belgium, Democratic Republic of the Congo |