Cognomen Aguayo Guillen (Aguayo Guillen 
) , in all the world, is a very rare last name. The last name Aguayo Guillen is habitual in Latin America and the Caribbean, particularly Ecuador, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Aguayo Guillen | Ecuador |
Alan Yair, Edwin Ivan, and Zoila Narcisa