Last name Wilyer (Wilyer 
) , throughout the world, is a very rare family name. The surname Wilyer is habitual in Latin America and the Caribbean, particularly Venezuela, where it is a rare surname, Nicaragua, where it is a very rare surname, and Honduras. Measured by absolute frequency, it is the most numerous in Venezuela, Nicaragua, and the United States. More prevalently, Wilyer is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wilyer | Nicaragua, Peru, Venezuela, United States, Colombia |