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Throughout the world, Kayin (Kayin , ကရင် , كايين) is a rare gender-neutral given name. The first name Kayin is characteristic of Hong Kong, where it is quite a rare gender-neutral name, Israel, where it is a rare mostly boy's, but infrequently female name, and Myanmar, where it is a rare masculine name. Measured by absolute frequency, the name is most common in Hong Kong, Myanmar, and India. Likewise, Kayin is the last name as well as the forename.
Kayin is also a name from the Bible. Explore more in our Biblical names portal!