Surname Italo Arnaldo (Italo Arnaldo 
) , around the world, is an extremely rare last name. The surname Italo Arnaldo is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More frequently, Italo Arnaldo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Italo Arnaldo | Peru, Ecuador, Chile |