>
Cognomen Onianwa (Onianwa
) , worldwide, is a rare surname. The last name Onianwa is characteristic of Nigeria, where it is a rare surname, Ireland, and the United States, where it is a very rare surname. Likewise, Onianwa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Onianwa | Nigeria, United States, United Kingdom, Ireland |