Cognomen Justo Del Rosario (Justo Del Rosario 
) , all around the world, is an extremely rare last name. The last name Justo Del Rosario is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Justo Del Rosario is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Justo Del Rosario | Chile |