Surname Stiastny (Stiastny 
) , throughout the world, is a rare last name. The cognomen Stiastny is characteristic of Austria, where it is quite a rare surname, Germany, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Stiastny | United Kingdom, United States, Austria, Germany |
| franz johann stiastny (b. 1764) |
|
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| bernhard wenzeslaus stiastny (b. 1770) |
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