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Last name Маруяма (Mask , Maruyama , Маруяма ) , across the world, is a common family name. The cognomen Маруяма is habitual in Myanmar, where it is quite a rare surname, United Arab Emirates, and Oman. Not in comparison with a country's population, it is the most numerous in the United States, Brazil, and Japan. Very seldom, Маруяма is the forename as well as the last name.