Around the globe, Oganna (Oganna 
) is a very rare unisex first name. The first name Oganna is characteristic of Nigeria, where it is a very rare unisex name, and India, where it is an extremely rare male name. Also, Oganna is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Oganna | Brazil, United States, India, Nigeria |