Surname Вилиана (Viliana 
, Вилиана 
) , in the world, is a rare last name. The cognomen Вилиана is habitual in Georgia, where it is a rare surname, Indonesia, where it is a very rare surname, and Spain. More prevalently, Вилиана is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Viliana | Indonesia, Italy, Bolivia, Bulgaria, Brazil |
| Вилиана | Kyrgyzstan, Kazakhstan, Russia, Bulgaria |