Surname Rossak (Rossak 
) , all over the world, is a rare last name. The surname Rossak is characteristic of Slovakia, where it is quite a rare surname, Austria, where it is a rare surname, and Germany. Very seldom, Rossak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rossak | Austria, Poland, Slovakia, Germany, United States |
| frank ward rossak AT (b. 1901) |
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andreas rossak association football player, AT (b. 1999) |
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| wilhelm rudolf rossak Dr. rer. nat. Technische Universität Wien 1989 |
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