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Cognomen Petersson (Petersson , ピーターソン , Петерссон ) , around the globe, is a common family name. The cognomen Petersson is habitual in Northern Europe, particularly Sweden, where it is a common surname, Denmark, where it is quite a common surname, and Norway, where it is quite a rare surname. Measured by absolute frequency, it is the most numerous in Sweden, Denmark, and Germany. Very seldom, Petersson is the forename as well as the last name.