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Around the globe, Seun (Seun , سيون , セウン ) is a widespread epicene first name. The forename Seun is characteristic of Sub-Saharan Africa, particularly Nigeria, where it is quite a common epicene name, Namibia, where it is quite a common masculine name, and Gambia, where it is quite a rare masculine name. Not in comparison with a country's population, it is commonest in Sub-Saharan Africa, particularly Nigeria, South Africa, and Namibia. Also, Seun is the last name as well as the forename.
Seun is also a name for the fictitious and mythical characters: Huang Xin , the Water Margin character and Bao Xin , the fictional Han dynasty general, figure in Romance of the Three Kingdoms.