Cognomen Claudia Estefani (Claudia Estefani 
) , globally, is a very rare last name. The cognomen Claudia Estefani is habitual in Latin America and the Caribbean, particularly Chile, where it is a rare surname. More frequently, Claudia Estefani is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Claudia Estefani | Peru, Chile, Spain |