Family name Monica Estefany (Monica Estefany 
) , all around the world, is an extremely rare last name. The cognomen Monica Estefany is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More frequently, Monica Estefany is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Monica Estefany | Costa Rica, Chile, Peru, Ecuador |