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Globally, Reig (Reig , 雷格 , ريج ) is a rare gender-neutral given name. The forename Reig is characteristic of Eastern Asia, particularly China, where it is an extremely rare unisex name. Also, Reig is the last name as well as the forename.
Reig is also a name for the fictitious and mythical characters: Reginald Cattermole , character in Harry Potter and the Deathly Hallows – Part 1.