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Worldwide, Onianwa (Onianwa
) is a rare unisex given name. The first name Onianwa is characteristic of Sub-Saharan Africa, particularly Nigeria, where it is a rare gender-neutral name. Likewise, Onianwa is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Onianwa | Nigeria, United States, United Kingdom, Ireland |