Family name Osuamadi (Osuamadi 
) , all over the world, is a very rare last name. The last name Osuamadi is habitual in Nigeria, where it is an extremely rare surname, and the United States. Likewise, Osuamadi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Osuamadi | United States, Nigeria |