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Throughout the world, Koshan (Koshan , Кошан ) is a rare largely masculine, but seldom girly forename. The first name Koshan is characteristic of Sri Lanka, where it is a rare boy's name, Kazakhstan, where it is a rare primarily boy's, but scarcely female name, and Kyrgyzstan, where it is a rare male name. Measured by absolute frequency, it most frequently occurs in Sri Lanka, Kazakhstan, and India. Likewise, Koshan is the last name as well as the forename.