Cognomen Helen Estefany (Helen Estefany 
) , around the globe, is an extremely rare last name. The cognomen Helen Estefany is characteristic of Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. More prevalently, Helen Estefany is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Helen Estefany | Ecuador, Chile, Peru |