Last name Muñoz Barrientos (Muñoz Barrientos 
) , worldwide, is a rare cognomen. The surname Muñoz Barrientos is habitual in Chile, where it is quite a rare surname, and Spain, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Muñoz Barrientos | Chile, Spain |
Pedro, Jose Orlando, Juan Antonio, Maria Argentina, Sandro Antonio, Andrea Ivonne, Erika Del Carmen, Luis Humberto, Manuel Orlando, Margarita Ester, Adriana De Lourdes, Carolina Andrea, Rosa Del Carmen, Daniel Alejandro, Maria Del Carmen, Jose Francisco, Bernardita De Lourdes, Luis Alberto, Alvaro Enrique, Ramon, Valeska, Mercedes, Carolina, Patricia, Jose Luis, Rosa Mariela, Rosa Elena, Maria Adela, Jose Manuel, Juan Carlos, Nely Del Carmen, Maria Isabel, Sonia Guadalupe, Oscar Eugenio, and Graciela Del Carmen