Surname Ernesto Del Rosario (Ernesto Del Rosario 
) , in the world, is a very rare last name. The surname Ernesto Del Rosario is habitual in Latin America and the Caribbean, particularly Chile, where it is a rare surname. More prevalently, Ernesto Del Rosario is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ernesto Del Rosario | Chile, Argentina |