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