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Surname Nien (Nien , Niên , Ниен) , all over the world, is quite a rare family name. The family name Nien is characteristic of Cayman Islands, where it is quite a common surname, Malaysia, where it is quite a rare surname, and Taiwan. In absolute terms, this name is the most popular in Malaysia, Taiwan, and Vietnam. Likewise, Nien is the forename as well as the last name.