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