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Across the world, Khairin (Khairin
) is a rare epicene first name. The given name Khairin is habitual in South-eastern Asia, particularly Brunei, where it is quite a rare boy's name, Indonesia, where it is a rare epicene name, and Singapore, where it is a rare male name. Measured by absolute frequency, it is the most numerous in Indonesia, India, and Malaysia. Likewise, Khairin is the last name as well as the forename.