Last name Onyiukah (Onyiukah 
) , in the world, is a very rare family name. The surname Onyiukah is habitual in Nigeria, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Likewise, Onyiukah is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Onyiukah | United Kingdom, Nigeria |