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Worldwide, Sên (星 , Sên ) is a widespread unisex given name. The first name Sên is characteristic of Eastern Asia, particularly China, where it is quite a common gender-neutral name. Likewise, Sên is the last name as well as the forename.
Sên is also a name for the fictitious and mythical characters: Hoshi Sato , the fictional character from Star Trek: Enterprise.