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Last name Tcheng (程 , Ченг , Tcheng ) , in the entire world, is a prevalent cognomen. The last name Tcheng is habitual in China, where it is a common surname, Bermuda, where it is quite a common surname, and Hong Kong, where it is a rare surname. Measured by absolute frequency, it is the most numerous in China, Russia, and France. Very seldom, Tcheng is the forename as well as the last name.