Surname Juanita Rosario (Juanita Rosario 
) , around the globe, is an extremely rare family name. The cognomen Juanita Rosario is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More frequently, Juanita Rosario is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Juanita Rosario | Peru, Chile, Ecuador |