Cognomen Iunna (Юнна 
, Iunna 
) , globally, is a very rare last name. The surname Iunna is habitual in Kyrgyzstan, where it is a very rare surname, Georgia, and Russia, where it is an extremely rare surname. Much more prevalently, Iunna is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Юнна | Kyrgyzstan, Russia, Belarus, Kazakhstan, Ukraine |
| Iunna | Georgia, India, Brazil |