Surname Guillen Velez (Guillen Velez 
) , in all the world, is a rare cognomen. The surname Guillen Velez is habitual in Ecuador, where it is a rare surname, and Spain, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Guillen Velez | Spain, Ecuador |
Susana, Liliana, Carmen Monserrate, Jose Enrique, and Juan Sebastian