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Worldwide, Çay (Chai , Çay , Čaj ) is a common epicene forename. The given name Çay is habitual in Mongolia, where it is quite a common male name, Brunei, where it is quite a common gender-neutral name, and Singapore, where it is quite a rare unisex name. Not in comparison with a country's population, it is commonest in Malaysia, Morocco, and China. More frequently, Çay is the last name as well as the forename.
Çay is also a name for the fictitious and mythical characters: Chai Xianghua , the Fictional character, Soulcalibur.