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Last name Matsuyama (松山 , マツヤマ , Matsuyama ) , globally, is quite a common cognomen. The cognomen Matsuyama is habitual in Singapore, where it is a rare surname, Japan, and China. Not in comparison with a country's population, this name is the most popular in China, Japan, and Indonesia. More frequently, Matsuyama is the forename as well as the last name.