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Surname Thomsen (Thomsen
, تومسن, Томсен
) , in all the world, is a common cognomen. The cognomen Thomsen is habitual in Denmark, where it is a widespread surname, Greenland, where it is a common surname, and Norway, where it is quite a common surname (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in Denmark, Germany, and the United States.