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Surname Tsuchiya (ツチヤ , Tsuchiya , Цутия) , globally, is quite a rare cognomen. The surname Tsuchiya is habitual in Hong Kong, where it is quite a rare surname, Singapore, and Slovenia. Measured by absolute frequency, the name is most common in Japan, Brazil, and the United States. More prevalently, Tsuchiya is the forename as well as the last name.