Family name Muñoz Amaro (Muñoz Amaro 
) , in all the world, is a very rare cognomen. The cognomen Muñoz Amaro is habitual in Chile, where it is a rare surname, and Spain, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Muñoz Amaro | Chile, Spain |
Antonio, Beatriz, Fernando, and Guillermo Jair