Rusznyak is a Hungarian-language ethnonymic surname literally meaning "person of Ruthenian/Rusyn ethnicity".Farkas, Tamás. 2013. Surnames of Ethnonymic Origin in the Hungarian Language .” In: Numele Si Numirea: Actele Conferinței Internaționale de Onomasticǎ . István Rusznyák István Rusznyák Karol Rusznyák See also
Rusnak (surname)
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