Cognomen Obinomen (Obinomen 
) , globally, is a very rare last name. The cognomen Obinomen is characteristic of Nigeria, where it is a very rare surname, and the United States, where it is an extremely rare surname. Likewise, Obinomen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Obinomen | United States, Nigeria |