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Last name Haiyin (Haiyin
, 海印
, 海茵
) , around the world, is quite a rare family name. The cognomen Haiyin is characteristic of Azerbaijan, where it is quite a rare surname, China, where it is a very rare surname, and Malaysia. Measured by absolute frequency, it is commonest in China, Azerbaijan, and Indonesia. More frequently, Haiyin is the forename as well as the last name.