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Family name Hasegawa (ハセガワ , 준 , Hasegawa ) , around the globe, is quite a common last name. The family name Hasegawa is habitual in Japan, where it is quite a rare surname, Singapore, and Hong Kong. In absolute terms, the name is most common in Japan, Brazil, and the United States. More frequently, Hasegawa is the forename as well as the last name.