Surname Петер-Іштван (Петер-Іштван 
) , around the globe, is an extremely rare family name. Much more prevalently, Петер-Іштван is the forename as well as the last name. Parts of the name also exists independently as a first name Петер, and a first name Іштван.
| VARIANT | COUNTRY |
|---|---|
| Петер-Іштван | Ukraine |