Cognomen Carolas (Carolas 
) , worldwide, is a very rare family name. The last name Carolas is habitual in Portugal, where it is a rare surname, France, where it is an extremely rare surname, and Peru. Not in comparison with a country's population, it is the most numerous in Portugal, China, and the United States. Much less frequently, Carolas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Carolas | Portugal, France, United States, India, China |