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Family name Chubin (楚斌 , 楚滨 , Chubin ) , around the globe, is a rare last name. The cognomen Chubin is habitual in Eastern Europe, particularly Belarus, where it is a rare surname, Russia, and Ukraine, where it is a very rare surname. In absolute terms, it is the most numerous in China, Russia, and the United States. More prevalently, Chubin is the forename as well as the last name.