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Cognomen Barreno (Barreno
, Bareno
) , globally, is a common last name. The surname Barreno is characteristic of Latin America and the Caribbean, particularly Aruba, where it is quite a common surname, Guatemala, and Panama, where it is quite a rare surname. Measured by absolute frequency, it is commonest in Guatemala, Colombia, and Philippines. Much less frequently, Barreno is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Barreno | Spain, Philippines, Colombia, Guatemala, Venezuela |
| Bareno | Philippines, Colombia, United States, Indonesia, Venezuela |