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Cognomen Wulan (Wulan , 乌兰 , 武兰 ) , in all the world, is a common family name. The family name Wulan is characteristic of Indonesia, where it is quite a common surname, Taiwan, where it is quite a rare surname, and Brunei. Not in comparison with a country's population, this name is the most popular in Indonesia, Taiwan, and Malaysia. Likewise, Wulan is the forename as well as the last name.