Cognomen Vranko (Vranko 
) , worldwide, is a very rare last name. The last name Vranko is habitual in Croatia, where it is quite a rare surname, Hungary, where it is a very rare surname, and Australia. Very seldom, Vranko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vranko | Australia, Hungary, United States, Germany, Croatia |