Family name Omiunu (Omiunu 
) , in all the world, is a rare surname. The surname Omiunu is characteristic of Nigeria, where it is a rare surname, the United Kingdom, where it is an extremely rare surname, and Canada. In absolute terms, it most frequently occurs in Nigeria, the United States, and the United Kingdom. Likewise, Omiunu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Omiunu | United States, United Kingdom, Canada, Nigeria |