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Worldwide, Níu (Niu , Nio , Níu) is quite a rare unisex forename. The given name Níu is characteristic of Bahamas, where it is quite a rare feminine name, Indonesia, where it is quite a rare epicene name, and Benin, where it is a rare male name. Not in comparison with a country's population, it is commonest in Indonesia, China, and India. Predominantly, Níu is the last name as well as the forename.
Níu is also a name for the fictitious and mythical characters: .