Family name Nnoni (Nnoni 
) , throughout the world, is a very rare last name. The family name Nnoni is characteristic of Sub-Saharan Africa, particularly South Africa, where it is an extremely rare surname, and Nigeria. More frequently, Nnoni is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nnoni | India, South Africa, Nigeria |