Surname Barreno Villarroel (Barreno Villarroel 
) , globally, is a very rare cognomen. The cognomen Barreno Villarroel is habitual in Ecuador, where it is a very rare surname, and Spain, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Barreno Villarroel | Ecuador, Spain |