Worldwide, Loreto Rosario (Loreto Rosario 
) is a very rare female forename. The forename Loreto Rosario is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare feminine name. Very seldom, Loreto Rosario is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Loreto Rosario | Chile, Spain |