Family name Barrentos (Barrentos 
) , in the entire world, is a very rare surname. The surname Barrentos is habitual in Philippines, where it is a very rare surname, Venezuela, and Peru. In absolute terms, it is the most numerous in Philippines, the United States, and Venezuela. Much less frequently, Barrentos is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Barrentos | Philippines, Mexico, Peru, Venezuela, United States |