Surname Omoni (Omoni 
) , throughout the world, is quite a rare cognomen. The last name Omoni is habitual in the Democratic Republic of the Congo, where it is a rare surname, Nigeria, and Australia, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Nigeria, the Democratic Republic of the Congo, and Indonesia. Likewise, Omoni is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Omoni | India, Indonesia, Democratic Republic of the Congo, Ethiopia, Nigeria |