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Cognomen Shamsudin (Shamsudin , Шамсудин ) , globally, is a common last name. The family name Shamsudin is habitual in South-eastern Asia, particularly Malaysia, where it is quite a common surname, Brunei, and Singapore, where it is quite a rare surname. Not in comparison with a country's population, it most frequently occurs in Malaysia, Nigeria, and Singapore. Much less frequently, Shamsudin is the forename as well as the last name.