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Cognomen 江上 (Kiyoshi , 江上 , Эгами ) , throughout the world, is a common last name. The cognomen 江上 is habitual in Japan, where it is quite a rare surname, Hong Kong, where it is a rare surname, and Singapore. In absolute terms, it is the most numerous in Japan, China, and Indonesia. Likewise, 江上 is the forename as well as the last name.