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In the world, Haiyun (海云 , Haiyun , 海芸 ) is a widespread gender-neutral given name. The first name Haiyun is habitual in China, where it is quite a rare epicene name, Indonesia, where it is a very rare epicene name, and Italy, where it is a very rare boy's name. Measured by absolute frequency, it is commonest in China, Indonesia, and the United States. Much less frequently, Haiyun is the last name as well as the forename.