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All over the world, Aisan (Aisan , Айсан ) is quite a rare epicene first name. The given name Aisan is characteristic of Georgia, where it is a rare gender-neutral name, Japan, where it is a rare boy's name, and Kazakhstan, where it is a rare unisex name. In absolute terms, it is commonest in India, Japan, and Philippines. Likewise, Aisan is the last name as well as the forename.