Cognomen Inostroza Galaz (Inostroza Galaz 
) , all over the world, is a very rare family name. The last name Inostroza Galaz is habitual in Latin America and the Caribbean, particularly Chile, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Inostroza Galaz | Chile |
Italo Hugo, Maria Teresa, Jaime Antonio, and Joaquin Alfonso