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Cognomen Стасяк (Stasiak , Стасяк , Stasyak ) , around the globe, is a common family name. The family name Стасяк is habitual in Poland, where it is quite a common surname, France, where it is a rare surname, and Ireland. Measured by absolute frequency, it most frequently occurs in Poland, the United States, and Brazil. Also, Стасяк is the forename as well as the last name.