Family name Rosario Carlota (Rosario Carlota 
) , in all the world, is an extremely rare surname. The cognomen Rosario Carlota is characteristic of Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Much more frequently, Rosario Carlota is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rosario Carlota | Chile, Peru, Ecuador |