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Family name Yiin (Yiin
) , throughout the world, is a rare last name. The cognomen Yiin is characteristic of Malaysia, where it is quite a rare surname, Singapore, where it is a rare surname, and New Zealand, where it is a very rare surname. Not in comparison with a country's population, the name is most common in Malaysia, Indonesia, and China. Very seldom, Yiin is the forename as well as the last name.