Family name Osobase (Osobase 
) , around the globe, is quite a rare last name. The last name Osobase is habitual in Nigeria, where it is a rare surname, the United Kingdom, where it is a very rare surname, and the United States, where it is an extremely rare surname. Likewise, Osobase is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Osobase | United States, United Kingdom, France, Nigeria |