Cognomen Wilyen (Wilyen 
) , throughout the world, is an extremely rare last name. The last name Wilyen is habitual in Latin America and the Caribbean, particularly Venezuela, where it is a very rare surname, Nicaragua, and Honduras. More prevalently, Wilyen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wilyen | Nicaragua, Philippines, Colombia, United States, Venezuela |