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Cognomen Thoren (Thoren , Торен , ثورين) , all around the world, is quite a rare family name. The family name Thoren is habitual in Northern Europe, particularly Sweden, where it is quite a rare surname, Norway, and Denmark, where it is a rare surname. In absolute terms, it most frequently occurs in Sweden, the United States, and Germany. Very seldom, Thoren is the forename as well as the last name.