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Family name Matsuzawa (マツザワ , Matsuzawa
, 松澤
) , throughout the world, is a rare last name. The cognomen Matsuzawa is habitual in Hong Kong, where it is a rare surname, Japan, and Belgium, where it is a very rare surname. In absolute terms, it is the most numerous in Japan, Indonesia, and Brazil. More frequently, Matsuzawa is the forename as well as the last name.