Surname Olanna (Olanna 
) , across the world, is a very rare family name. The cognomen Olanna is characteristic of the United States, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. Also, Olanna is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Olanna | Nigeria, United States, India, Canada, Brazil |