Throughout the world, Wilyen (Wilyen 
) is a very rare epicene given name. The first name Wilyen is habitual in South-eastern Asia, particularly Philippines, where it is a very rare unisex name. Very seldom, Wilyen is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Wilyen | Venezuela, United States, Nicaragua, Philippines, Colombia |