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Worldwide, หนาว (Nao , Parky , หนาว ) is a common mostly feminine, but uncommonly masculine forename. The first name หนาว is habitual in Japan, where it is quite a rare principally girly, but very infrequently boy's name, Greece, where it is quite a rare epicene name, and the Democratic Republic of the Congo, where it is quite a rare mostly male, but seldom female name. Measured by absolute frequency, this name is the most popular in Japan, the Democratic Republic of the Congo, and Indonesia. Likewise, หนาว is the last name as well as the forename.
หนาว is also a name for the fictitious and mythical characters: Nao Midorikawa , the Pretty Cure character, Smile PreCure! and Nao Yuuki .