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Family name Zelezniak (Zelezniak
, Зелезняк
) , worldwide, is a rare last name. The family name Zelezniak is habitual in Israel, where it is a rare surname, Poland, and Belgium, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Poland, Israel, and the United States. Also, Zelezniak is the forename as well as the last name.