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Throughout the world, Ryun (ライアン , Ryun , 赖恩 ) is a rare principally masculine, but very seldom feminine given name. The first name Ryun is characteristic of Japan, where it is a very rare boy's name, the United States, where it is a very rare mostly masculine, but uncommonly female name, and China, where it is an extremely rare dominantly boy's, but infrequently girly name. Also, Ryun is the last name as well as the forename.
Ryun is also a prevalent name for the fictitious and mythical characters: Ryan Howard , the fictional character in The Office; Atom (Ryan Choi) , the DC Comics superhero, Injustice 2; Ryan Sinclair , the character from Doctor Who; Ryan Choi , the fictional Arrowverse character, Crisis on Infinite Earths: Part Four and Ryan Pierce , the character in The West Wing, and in many other works.