Family name Caballero Mu Æiz (Caballero Mu Æiz 
) , in the world, is an extremely rare surname. The last name Caballero Mu Æiz is characteristic of Latin America and the Caribbean, particularly Argentina, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Caballero Mu Æiz | Argentina |
Hector Walter, Debora Florencia, Leandro Nicolas, and Cristian Maximiliano