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Worldwide, ديين (Deen , ديين ) is a widespread masculine first name. The first name ديين is habitual in Pakistan, where it is quite a common masculine name, Brunei, and Qatar, where it is quite a rare boy's name. Measured by absolute frequency, it most frequently occurs in Southern Asia, particularly Pakistan, India, and Bangladesh. More prevalently, ديين is the last name as well as the forename.
ديين is also a name for the fictitious and mythical characters: .