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Surname Tsukamoto (ツカモト , Tsukamoto ) , all over the world, is quite a rare last name. The family name Tsukamoto is habitual in Eastern Asia, particularly Hong Kong, where it is quite a rare surname, Taiwan, where it is a rare surname, and Japan. In absolute terms, this name is the most popular in Japan, Brazil, and the United States. More frequently, Tsukamoto is the forename as well as the last name.