Family name Ištvanová (Ištvanová 
) , around the globe, is a very rare last name. The last name Ištvanová is habitual in Eastern Europe, particularly Czechia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ištvanová | Czechia |
| zuzana ištvanová CZ (b. 1980) |
|