Cognomen Вилян (Vilian 
, Vilyan 
, Viljan 
) , across the world, is a rare family name. The surname Вилян is characteristic of Israel, where it is a rare surname, Romania, and Malaysia. In absolute terms, it is the most numerous in Indonesia, Malaysia, and Romania. More prevalently, Вилян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vilian | Indonesia, Romania, Malaysia, Bulgaria, Brazil |
| Vilyan | India, United States, Brazil, Venezuela |
| Viljan | Malaysia, Philippines, Croatia, United States, India |
| Вилян | Russia |