Last name Santos Del Rosario (Santos Del Rosario 
) , all around the world, is a very rare family name. The cognomen Santos Del Rosario is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Santos Del Rosario is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Santos Del Rosario | Costa Rica, Chile, Peru, Ecuador |