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Cognomen 吉伟 (Jiwei , 吉伟 ) , all around the world, is quite a rare surname. The last name 吉伟 is habitual in China, where it is a rare surname, Singapore, and Malaysia, where it is a very rare surname. In absolute terms, this name is the most popular in China, Malaysia, and Spain. Much more prevalently, 吉伟 is the forename as well as the last name.