Family name Rusiniak (Rusiniak 
) , in the entire world, is a rare last name. The family name Rusiniak is characteristic of Poland, where it is quite a rare surname, Canada, where it is a very rare surname, and the United States. In absolute terms, it is commonest in Poland, the United States, and Germany. Also, Rusiniak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rusiniak | Germany, Canada, Spain, Poland, United States |
| jolanta rusiniak PL (b. 1959) |
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| piotr rusiniak researcher (ORCID 0000-0001-6699-2282) |
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| martyna rusiniak Polish historian, PL (b. 1980) |
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| mateusz rusiniak researcher |
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