Cognomen Onuminya (Onuminya 
) , in the world, is quite a rare family name. The family name Onuminya is habitual in Nigeria, where it is a rare surname, and the United States, where it is an extremely rare surname. Also, Onuminya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Onuminya | United States, Nigeria |