Cognomen Rubio Inostroza (Rubio Inostroza 
) , across the world, is a very rare surname. The surname Rubio Inostroza is characteristic of Latin America and the Caribbean, particularly Chile, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rubio Inostroza | Chile |
Camila, Andrés, Katherina, Mary Edith, Miriam Margot, and Cristian Ariel