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Worldwide, ثيم (Tham , Thiem , ثيم) is quite a common gender-neutral forename. The given name ثيم is characteristic of Macao, where it is quite a common feminine name, Mongolia, where it is quite a common masculine name, and Singapore, where it is quite a rare gender-neutral name. Measured by absolute frequency, the name is most common in Vietnam, Malaysia, and China. Likewise, ثيم is the last name as well as the forename.
ثيم is also a name for the fictitious and mythical characters: .