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Worldwide, จ๋าย (Chai , Jjai , จ๋าย) is a common unisex forename. The first name จ๋าย is habitual in Mongolia, where it is quite a common boy's name, Brunei, where it is quite a common epicene name, and Singapore, where it is quite a rare unisex name. In absolute terms, it is commonest in Malaysia, Morocco, and China. More frequently, จ๋าย is the last name as well as the forename.
จ๋าย is also a name for the fictitious and mythical characters: Chai Xianghua , the Fictional character, Soulcalibur.