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Surname 곽 (Gwak , 곽 ) , worldwide, is a common family name. The cognomen 곽 is habitual in South Korea, where it is quite a common surname, Australia, where it is a very rare surname, and Canada. In absolute terms, it most frequently occurs in South Korea, the United States, and Canada. Much less frequently, 곽 is the forename as well as the last name.