Cognomen Osomba (Osomba 
) , globally, is a rare surname. The cognomen Osomba is habitual in the Democratic Republic of the Congo, where it is a rare surname, and France, where it is an extremely rare surname. Much less frequently, Osomba is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Osomba | Nigeria, United States, India, France, Democratic Republic of the Congo |