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Family name 咸 (Ham , 咸 , Xián ) , across the world, is a widespread cognomen. The cognomen 咸 is habitual in Netherlands, where it is quite a common surname, South Korea, and Algeria (explore the name in all countries). Measured by absolute frequency, it is the most numerous in China, South Korea, and the United States. Very seldom, 咸 is the forename as well as the last name.