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 | Brazil, Malaysia, Bulgaria, Romania, Indonesia |
| Vilyan | Brazil, United States, Venezuela, India |
| Viljan | Philippines, Malaysia, Croatia, India, United States |
| Вилян | Russia |