Family name Onicha (Onicha 
) , worldwide, is a rare surname. The last name Onicha is habitual in Nigeria, where it is a very rare surname, Israel, and Thailand, where it is an extremely rare surname. Likewise, Onicha is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Onicha | South Africa, Nigeria, Thailand, United States, India |