Worldwide, Onicha (Onicha 
) is a rare unisex first name. The forename Onicha is habitual in Sub-Saharan Africa, particularly Nigeria, where it is a rare unisex name. Likewise, Onicha is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Onicha | South Africa, Nigeria, Thailand, United States, India |