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Cognomen Nielson (Nielson
, نيلسون
, Нилсон
) , around the globe, is a common family name. The surname Nielson is habitual in the United States, where it is quite a rare surname, Denmark, and Estonia. Measured by absolute frequency, it is the most numerous in the United States, Canada, and Sudan. Much less frequently, Nielson is the forename as well as the last name.