Cognomen Onwusogh (Onwusogh 
) , in the world, is a very rare surname. The family name Onwusogh is habitual in Sub-Saharan Africa, particularly Nigeria, where it is a very rare surname. Likewise, Onwusogh is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Onwusogh | Nigeria |