Cognomen Szimonetta (Szimonetta 
) , in all the world, is a rare last name. The cognomen Szimonetta is characteristic of Eastern Europe, particularly Hungary, where it is quite a rare surname. More prevalently, Szimonetta is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Szimonetta | Germany, United States, Hungary, United Kingdom |