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Throughout the world, นิกา (Niga , Nikaka , นิกา ) is quite a rare gender-neutral first name. The first name นิกา is characteristic of Iraq, where it is quite a rare principally girly, but very infrequently boy's name, Ethiopia, where it is quite a rare epicene name, and Romania, where it is a rare male name. In absolute terms, the name is most common in Ethiopia, Iraq, and India. Also, นิกา is the last name as well as the forename.
นิกา is also a name for the fictitious and mythical characters: Niga , the fictional character from Nausicaä of the Valley of the Wind by Hayao Miyazaki.