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Around the world, 해인 (Haein , 해인 , Hae-In ) is quite a rare mostly female, but uncommonly boy's forename. The first name 해인 is characteristic of South Korea, where it is quite a rare largely feminine, but infrequently male name, and the United States, where it is an extremely rare mostly female, but uncommonly masculine name. Very seldom, 해인 is the last name as well as the forename.