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Surname Chern (Chern , 凯恩 , تشيرن ) , around the globe, is quite a common family name. The cognomen Chern is habitual in Malaysia, where it is quite a common surname, Singapore, where it is quite a rare surname, and Taiwan, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Malaysia, the United States, and China. Much less frequently, Chern is the forename as well as the last name.