Last name Campaña Barreno (Campaña Barreno 
) , throughout the world, is an extremely rare surname. The family name Campaña Barreno is habitual in Latin America and the Caribbean, particularly Ecuador, where it is a very rare surname, and Chile, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Campaña Barreno | Ecuador, Chile |