Cognomen Fuenmayor Guerrero (Fuenmayor Guerrero 
) , all around the world, is an extremely rare last name. The family name Fuenmayor Guerrero is habitual in Ecuador, where it is a very rare surname, and Spain, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Fuenmayor Guerrero | Spain, Ecuador |