Last name Ernesto Petronio (Ernesto Petronio 
) , all over the world, is an extremely rare surname. The surname Ernesto Petronio is characteristic of Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. More frequently, Ernesto Petronio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ernesto Petronio | Chile, Ecuador |