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Worldwide, ニン (Ning , Nin , Ninh ) is a common unisex given name. The given name ニン is habitual in Hong Kong, where it is quite a common gender-neutral name, Indonesia, where it is quite a rare largely girly, but uncommonly male name, and Macao, where it is quite a rare feminine name. Not in comparison with a country's population, it is the most numerous in Indonesia, Vietnam, and China. Also, ニン is the last name as well as the forename.
ニン is also a name for the fictitious and mythical characters: Xu Ning , the Water Margin character and Ning Zhongze , the character in wuxia fiction, The Smiling, Proud Wanderer.