Family name Onunka (Onunka 
) , in the world, is a rare last name. The family name Onunka is characteristic of Nigeria, where it is a rare surname, the United States, where it is an extremely rare surname, and the United Kingdom. Likewise, Onunka is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Onunka | United Kingdom, United States, Nigeria |