Cognomen Muñoz Barboza (Muñoz Barboza 
) , all over the world, is an extremely rare last name. The last name Muñoz Barboza is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname, Ecuador, and Peru, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Muñoz Barboza | Ecuador, Chile, Peru, Argentina |