Cognomen Ištvánová (Ištvánová 
) , in the world, is a very rare family name. The last name Ištvánová is characteristic of Eastern Europe, particularly Slovakia, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ištvánová | Slovakia |
| anna ištvánová Slovak cultural organizer in Hungary (1955-2014), HU (b. 1955) |
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| barbara ištvánová Slovak model, SK (b. 1991) |
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